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12071970368 = 261733312
BaseRepresentation
bin10110011111000101…
…11010011001000000
31011011022112122010122
423033202322121000
5144210411022433
65313520115412
7605104024613
oct131742723100
934138478118
1012071970368
115135349017
12240aa65b68
1311a5043143
148273d417a
154a9c3a198
hex2cf8ba640

12071970368 has 42 divisors (see below), whose sum is σ = 25372069398. Its totient is φ = 5679221760.

The previous prime is 12071970349. The next prime is 12071970401. The reversal of 12071970368 is 86307917021.

It can be written as a sum of positive squares in only one way, i.e., 11361854464 + 710115904 = 106592^2 + 26648^2 .

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, 3622463 + ... + 3625793.

Almost surely, 212071970368 is an apocalyptic number.

It is an amenable number.

12071970368 is an abundant number, since it is smaller than the sum of its proper divisors (13300099030).

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

12071970368 is an frugal number, since it uses more digits than its factorization.

12071970368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 12071970368 in words is "twelve billion, seventy-one million, nine hundred seventy thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 3331 6662 13324 26648 53296 56627 106592 113254 213184 226508 453016 906032 1812064 3624128 11095561 22191122 44382244 88764488 177528976 188624537 355057952 377249074 710115904 754498148 1508996296 3017992592 6035985184 12071970368