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10124031121 = 36683275987
BaseRepresentation
bin10010110110111000…
…00111010010010001
3222010120011001211121
421123130013102101
5131213222443441
64352333042241
7505611562501
oct113334072221
928116131747
1010124031121
11432582a476
121b66626381
13c545c6179
146c080ba01
153e3c0cdd1
hex25b707491

10124031121 has 4 divisors (see below), whose sum is σ = 10124343792. Its totient is φ = 10123718452.

The previous prime is 10124031101. The next prime is 10124031133. The reversal of 10124031121 is 12113042101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10124031121 - 225 = 10090476689 is a prime.

It is a super-2 number, since 2×101240311212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10124031095 and 10124031104.

It is not an unprimeable number, because it can be changed into a prime (10124031101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101311 + ... + 174676.

It is an arithmetic number, because the mean of its divisors is an integer number (2531085948).

Almost surely, 210124031121 is an apocalyptic number.

It is an amenable number.

10124031121 is a deficient number, since it is larger than the sum of its proper divisors (312671).

10124031121 is an equidigital number, since it uses as much as digits as its factorization.

10124031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312670.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10124031121 its reverse (12113042101), we get a palindrome (22237073222).

The spelling of 10124031121 in words is "ten billion, one hundred twenty-four million, thirty-one thousand, one hundred twenty-one".

Divisors: 1 36683 275987 10124031121