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13671490572 = 2232379763627
BaseRepresentation
bin11001011101110001…
…00110010000001100
31022021210022200100200
430232320212100030
5210444400144242
610140335253500
7662535516045
oct145670462014
938253280320
1013671490572
115886222243
12279667a290
13139b53b6bc
14939a018cc
1555039204c
hex32ee2640c

13671490572 has 18 divisors (see below), whose sum is σ = 34558490148. Its totient is φ = 4557163512.

The previous prime is 13671490541. The next prime is 13671490583. The reversal of 13671490572 is 27509417631.

13671490572 is a `hidden beast` number, since 1 + 3 + 6 + 71 + 4 + 9 + 0 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189881778 + ... + 189881849.

Almost surely, 213671490572 is an apocalyptic number.

13671490572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13671490572 is an abundant number, since it is smaller than the sum of its proper divisors (20886999576).

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

13671490572 is a wasteful number, since it uses less digits than its factorization.

13671490572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379763637 (or 379763632 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 13671490572 in words is "thirteen billion, six hundred seventy-one million, four hundred ninety thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 379763627 759527254 1139290881 1519054508 2278581762 3417872643 4557163524 6835745286 13671490572