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811130272235 = 5972157109819
BaseRepresentation
bin10111100110110110010…
…00011011100111101011
32212112200001201011010122
423303123020123213223
5101242143322202420
61420343400433455
7112413364361213
oct13633310334753
92775601634118
10811130272235
11292aa898aa98
12111251a7888b
135b648b8668a
142b38a667243
1516175515725
hexbcdb21b9eb

811130272235 has 24 divisors (see below), whose sum is σ = 989767685520. Its totient is φ = 638118134784.

The previous prime is 811130272231. The next prime is 811130272237. The reversal of 811130272235 is 532272031118.

It is not a de Polignac number, because 811130272235 - 22 = 811130272231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 811130272195 and 811130272204.

It is not an unprimeable number, because it can be changed into a prime (811130272231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7331156 + ... + 7440974.

It is an arithmetic number, because the mean of its divisors is an integer number (41240320230).

Almost surely, 2811130272235 is an apocalyptic number.

811130272235 is a deficient number, since it is larger than the sum of its proper divisors (178637413285).

811130272235 is a wasteful number, since it uses less digits than its factorization.

811130272235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110175 (or 110078 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 811130272235 in words is "eight hundred eleven billion, one hundred thirty million, two hundred seventy-two thousand, two hundred thirty-five".

Divisors: 1 5 97 157 485 785 9409 15229 47045 76145 109819 549095 1477213 7386065 10652443 17241583 53262215 86207915 1033286971 1672433551 5166434855 8362167755 162226054447 811130272235