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10013023121 = 131467163673
BaseRepresentation
bin10010101001101001…
…01001101110010001
3221211211021021111012
421110310221232101
5131001313214441
64333325500305
7503063202143
oct112464515621
927754237435
1010013023121
1142790aa522
121b35411695
13c375ca06a
146adb92c93
153d90d19eb
hex254d29b91

10013023121 has 8 divisors (see below), whose sum is σ = 10111125024. Its totient is φ = 9915249760.

The previous prime is 10013023093. The next prime is 10013023133. The reversal of 10013023121 is 12132031001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10013023121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10013023096 and 10013023105.

It is not an unprimeable number, because it can be changed into a prime (10013023621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20660 + ... + 143013.

It is an arithmetic number, because the mean of its divisors is an integer number (1263890628).

Almost surely, 210013023121 is an apocalyptic number.

It is an amenable number.

10013023121 is a deficient number, since it is larger than the sum of its proper divisors (98101903).

10013023121 is a wasteful number, since it uses less digits than its factorization.

10013023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164271.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10013023121 its reverse (12132031001), we get a palindrome (22145054122).

The spelling of 10013023121 in words is "ten billion, thirteen million, twenty-three thousand, one hundred twenty-one".

Divisors: 1 131 467 61177 163673 21441163 76435291 10013023121