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10280710121 = 1110714995827
BaseRepresentation
bin10011001001100011…
…10010111111101001
3222112110222012000112
421210301302333221
5132023330210441
64420051144105
7512523410543
oct114461627751
928473865015
1010280710121
1143a6213750
121baaba5035
13c7abc3136
146d7554693
1540285b4eb
hex264c72fe9

10280710121 has 16 divisors (see below), whose sum is σ = 11329632000. Its totient is φ = 9250988880.

The previous prime is 10280710087. The next prime is 10280710127. The reversal of 10280710121 is 12101708201.

It is not a de Polignac number, because 10280710121 - 210 = 10280709097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10280710127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761410 + ... + 1767236.

It is an arithmetic number, because the mean of its divisors is an integer number (708102000).

Almost surely, 210280710121 is an apocalyptic number.

10280710121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10280710121 is a deficient number, since it is larger than the sum of its proper divisors (1048921879).

10280710121 is a wasteful number, since it uses less digits than its factorization.

10280710121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444.

The product of its (nonzero) digits is 224, while the sum is 23.

The spelling of 10280710121 in words is "ten billion, two hundred eighty million, seven hundred ten thousand, one hundred twenty-one".

Divisors: 1 11 107 1177 1499 5827 16489 64097 160393 623489 1764323 6858379 8734673 96081403 934610011 10280710121