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10122001331 = 132173523147
BaseRepresentation
bin10010110110101000…
…10111101110110011
3222010102022221111012
421123110113232303
5131212213020311
64352221341135
7505555406651
oct113324275663
928112287435
1010122001331
114324673462
121b65a077ab
13c54065300
146c043ddd1
153e395b78b
hex25b517bb3

10122001331 has 12 divisors (see below), whose sum is σ = 11605249512. Its totient is φ = 8793772416.

The previous prime is 10122001327. The next prime is 10122001333. The reversal of 10122001331 is 13310022101.

It is not a de Polignac number, because 10122001331 - 22 = 10122001327 is a prime.

It is a super-2 number, since 2×101220013312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10122001333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1758701 + ... + 1764446.

It is an arithmetic number, because the mean of its divisors is an integer number (967104126).

Almost surely, 210122001331 is an apocalyptic number.

10122001331 is a deficient number, since it is larger than the sum of its proper divisors (1483248181).

10122001331 is a wasteful number, since it uses less digits than its factorization.

10122001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523190 (or 3523177 counting only the distinct ones).

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

Adding to 10122001331 its reverse (13310022101), we get a palindrome (23432023432).

The spelling of 10122001331 in words is "ten billion, one hundred twenty-two million, one thousand, three hundred thirty-one".

Divisors: 1 13 17 169 221 2873 3523147 45800911 59893499 595411843 778615487 10122001331