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102131233012 = 2272073542779
BaseRepresentation
bin101111100011101111…
…1101111000011110100
3100202121200221012022201
41133013133233003310
53133131043424022
6114530214434244
710243623104554
oct1370737570364
9322550835281
10102131233012
113a34a466aa6
1217963662984
139828214873
144d2c11b164
1529cb3c1127
hex17c77ef0f4

102131233012 has 12 divisors (see below), whose sum is σ = 178754507680. Its totient is φ = 51058516536.

The previous prime is 102131232977. The next prime is 102131233031. The reversal of 102131233012 is 210332131201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742562 + ... + 1800217.

Almost surely, 2102131233012 is an apocalyptic number.

It is an amenable number.

102131233012 is a deficient number, since it is larger than the sum of its proper divisors (76623274668).

102131233012 is a wasteful number, since it uses less digits than its factorization.

102131233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549990 (or 3549988 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102131233012 its reverse (210332131201), we get a palindrome (312463364213).

It can be divided in two parts, 10213 and 1233012, that added together give a square (1243225 = 11152).

The spelling of 102131233012 in words is "one hundred two billion, one hundred thirty-one million, two hundred thirty-three thousand, twelve".

Divisors: 1 2 4 7207 14414 28828 3542779 7085558 14171116 25532808253 51065616506 102131233012