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9102001013 = 798310311283
BaseRepresentation
bin10000111101000010…
…11000001101110101
3212111100000120002122
420132201120031311
5122120103013023
64103103245325
7441361506050
oct103641301565
925440016078
109102001013
11395092a096
1219202a9845
13b20944821
14624ba7a97
153841292c8
hex21e858375

9102001013 has 16 divisors (see below), whose sum is σ = 10431092736. Its totient is φ = 7780150320.

The previous prime is 9102001001. The next prime is 9102001031. The reversal of 9102001013 is 3101002019.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9102001013 - 24 = 9102000997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9102000982 and 9102001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9102001043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7093670 + ... + 7094952.

It is an arithmetic number, because the mean of its divisors is an integer number (651943296).

Almost surely, 29102001013 is an apocalyptic number.

It is an amenable number.

9102001013 is a deficient number, since it is larger than the sum of its proper divisors (1329091723).

9102001013 is a wasteful number, since it uses less digits than its factorization.

9102001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 9102001013 is about 95404.4077231236. The cubic root of 9102001013 is about 2087.9124943296.

The spelling of 9102001013 in words is "nine billion, one hundred two million, one thousand, thirteen".

Divisors: 1 7 983 1031 1283 6881 7217 8981 1013473 1261189 1322773 7094311 8828323 9259411 1300285859 9102001013