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10123132311 = 321507374623
BaseRepresentation
bin10010110110110001…
…01011110110010111
3222010111110101220100
421123120223312113
5131213010213221
64352301505143
7505601130165
oct113330536627
928114411810
1010123132311
114325276156
121b662721b3
13c54370026
146c0656235
153e3ad1926
hex25b62bd97

10123132311 has 12 divisors (see below), whose sum is σ = 14623468288. Its totient is φ = 6748216704.

The previous prime is 10123132247. The next prime is 10123132321. The reversal of 10123132311 is 11323132101.

10123132311 is a `hidden beast` number, since 101 + 231 + 323 + 11 = 666.

It is not a de Polignac number, because 10123132311 - 26 = 10123132247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123132321) 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, 98346 + ... + 172968.

Almost surely, 210123132311 is an apocalyptic number.

10123132311 is a deficient number, since it is larger than the sum of its proper divisors (4500335977).

10123132311 is a wasteful number, since it uses less digits than its factorization.

10123132311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89702 (or 89699 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10123132311 its reverse (11323132101), we get a palindrome (21446264412).

The spelling of 10123132311 in words is "ten billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred eleven".

Divisors: 1 3 9 15073 45219 74623 135657 223869 671607 1124792479 3374377437 10123132311