Search a number
-
+
30161030210250 = 235340214706947
BaseRepresentation
bin1101101101110011010010…
…11111011110001011001010
310221210100220001110000021020
412312321221133132023022
512423124242213212000
6144051441435253310
76232030305525642
oct666715137361312
9127710801400236
1030161030210250
119679248291445
1234714abbaa236
1313aa232c62924
14763b31a33522
15374856e13ba0
hex1b6e697de2ca

30161030210250 has 32 divisors (see below), whose sum is σ = 75281931406656. Its totient is φ = 8042941389200.

The previous prime is 30161030210243. The next prime is 30161030210263. The reversal of 30161030210250 is 5201203016103.

It is a super-2 number, since 2×301610302102502 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30161030210250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20107352724 + ... + 20107354223.

It is an arithmetic number, because the mean of its divisors is an integer number (2352560356458).

Almost surely, 230161030210250 is an apocalyptic number.

30161030210250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30161030210250 is an abundant number, since it is smaller than the sum of its proper divisors (45120901196406).

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

30161030210250 is a wasteful number, since it uses less digits than its factorization.

30161030210250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40214706967 (or 40214706957 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 30161030210250 its reverse (5201203016103), we get a palindrome (35362233226353).

The spelling of 30161030210250 in words is "thirty trillion, one hundred sixty-one billion, thirty million, two hundred ten thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 40214706947 80429413894 120644120841 201073534735 241288241682 402147069470 603220604205 1005367673675 1206441208410 2010735347350 3016103021025 5026838368375 6032206042050 10053676736750 15080515105125 30161030210250