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23545252452 = 22310398319379
BaseRepresentation
bin10101111011011010…
…000000101001100100
32020202220112202100010
4111323122000221210
5341210041034302
614452212250220
71462321225611
oct257332005144
966686482303
1023545252452
119a92754727
124691310970
1322b3029757
1411d50a3508
1592c11616c
hex57b680a64

23545252452 has 48 divisors (see below), whose sum is σ = 55531607040. Its totient is φ = 7763911968.

The previous prime is 23545252427. The next prime is 23545252459. The reversal of 23545252452 is 25425254532.

It is a self number, because there is not a number n which added to its sum of digits gives 23545252452.

It is not an unprimeable number, because it can be changed into a prime (23545252459) 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, 1205299 + ... + 1224677.

It is an arithmetic number, because the mean of its divisors is an integer number (1156908480).

Almost surely, 223545252452 is an apocalyptic number.

It is an amenable number.

23545252452 is an abundant number, since it is smaller than the sum of its proper divisors (31986354588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23545252452 is a wasteful number, since it uses less digits than its factorization.

23545252452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20472 (or 20470 counting only the distinct ones).

The product of its digits is 480000, while the sum is 39.

The spelling of 23545252452 in words is "twenty-three billion, five hundred forty-five million, two hundred fifty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 983 1236 1966 2949 3932 5898 11796 19379 38758 58137 77516 101249 116274 202498 232548 303747 404996 607494 1214988 1996037 3992074 5988111 7984148 11976222 19049557 23952444 38099114 57148671 76198228 114297342 228594684 1962104371 3924208742 5886313113 7848417484 11772626226 23545252452