Search a number
-
+
30001331013000 = 2335382211216451
BaseRepresentation
bin1101101001001001110101…
…01011011000010110001000
310221020002200100020020001220
412310210322223120112020
512413020211214404000
6143450230551242040
76214344643664454
oct664447253302610
9127202610206056
1030001331013000
1196175472508a6
123446561079320
1313981621152c9
1475a102061664
1537060ba931a0
hex1b493aad8588

30001331013000 has 128 divisors (see below), whose sum is σ = 93615615699840. Its totient is φ = 7999375200000.

The previous prime is 30001331012977. The next prime is 30001331013001. The reversal of 30001331013000 is 31013310003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (30001331013001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24054775 + ... + 25271225.

It is an arithmetic number, because the mean of its divisors is an integer number (731371997655).

Almost surely, 230001331013000 is an apocalyptic number.

30001331013000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30001331013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46807807849920).

30001331013000 is an abundant number, since it is smaller than the sum of its proper divisors (63614284686840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30001331013000 is a wasteful number, since it uses less digits than its factorization.

30001331013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224696 (or 1224682 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 30001331013000 its reverse (31013310003), we get a palindrome (30032344323003).

The spelling of 30001331013000 in words is "thirty trillion, one billion, three hundred thirty-one million, thirteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 8221 16442 24663 32884 41105 49326 65768 82210 98652 123315 164420 197304 205525 246630 328840 411050 493260 616575 822100 986520 1027625 1216451 1233150 1644200 2055250 2432902 2466300 3082875 3649353 4110500 4865804 4932600 6082255 6165750 7298706 8221000 9731608 12164510 12331500 14597412 18246765 24329020 24663000 29194824 30411275 36493530 48658040 60822550 72987060 91233825 121645100 145974120 152056375 182467650 243290200 304112750 364935300 456169125 608225500 729870600 912338250 1216451000 1824676500 3649353000 10000443671 20000887342 30001331013 40001774684 50002218355 60002662026 80003549368 100004436710 120005324052 150006655065 200008873420 240010648104 250011091775 300013310130 400017746840 500022183550 600026620260 750033275325 1000044367100 1200053240520 1250055458875 1500066550650 2000088734200 2500110917750 3000133101300 3750166376625 5000221835500 6000266202600 7500332753250 10000443671000 15000665506500 30001331013000