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30011041320 = 23351319237847
BaseRepresentation
bin11011111100110011…
…000010011000101000
32212110112001212012220
4123330303002120220
5442430311310240
621441544434040
72111462433201
oct337463023050
985415055186
1030011041320
11118004a5597
125996778920
132aa375c920
141649ac05a8
15ba9aaa5d0
hex6fccc2628

30011041320 has 64 divisors (see below), whose sum is σ = 96958753920. Its totient is φ = 7387332864.

The previous prime is 30011041283. The next prime is 30011041327. The reversal of 30011041320 is 2314011003.

It is a super-2 number, since 2×300110413202 (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30011041320.

It is not an unprimeable number, because it can be changed into a prime (30011041327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9617364 + ... + 9620483.

It is an arithmetic number, because the mean of its divisors is an integer number (1514980530).

Almost surely, 230011041320 is an apocalyptic number.

30011041320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30011041320 is an abundant number, since it is smaller than the sum of its proper divisors (66947712600).

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

30011041320 is a wasteful number, since it uses less digits than its factorization.

30011041320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19237874 (or 19237870 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30011041320 its reverse (2314011003), we get a palindrome (32325052323).

The spelling of 30011041320 in words is "thirty billion, eleven million, forty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 19237847 38475694 57713541 76951388 96189235 115427082 153902776 192378470 230854164 250092011 288567705 384756940 461708328 500184022 577135410 750276033 769513880 1000368044 1154270820 1250460055 1500552066 2000736088 2308541640 2500920110 3001104132 3751380165 5001840220 6002208264 7502760330 10003680440 15005520660 30011041320