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1308917112 = 23354538213
BaseRepresentation
bin100111000000100…
…0111110101111000
310101012221212201120
41032001013311320
510140040321422
6333514345240
744302416606
oct11601076570
93335855646
101308917112
11611938888
1230642b220
1317b23a989
14c5ba2876
1579da245c
hex4e047d78

1308917112 has 16 divisors (see below), whose sum is σ = 3272292840. Its totient is φ = 436305696.

The previous prime is 1308917111. The next prime is 1308917153. The reversal of 1308917112 is 2117198031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308917111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27269083 + ... + 27269130.

Almost surely, 21308917112 is an apocalyptic number.

1308917112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1308917112 is an abundant number, since it is smaller than the sum of its proper divisors (1963375728).

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

1308917112 is a wasteful number, since it uses less digits than its factorization.

1308917112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54538222 (or 54538218 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 1308917112 is about 36178.9595206938. The cubic root of 1308917112 is about 1093.8826023416.

The spelling of 1308917112 in words is "one billion, three hundred eight million, nine hundred seventeen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 54538213 109076426 163614639 218152852 327229278 436305704 654458556 1308917112