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397060365980 = 22519853018299
BaseRepresentation
bin1011100011100101010…
…01000101111010011100
31101221212211010111012202
411301302221011322130
523001134423202410
6502223525351032
740454345265305
oct5616251057234
91357784114182
10397060365980
111434352528a3
1264b52868478
132b59a601525
14153099d17ac
15a4dd7caca5
hex5c72a45e9c

397060365980 has 12 divisors (see below), whose sum is σ = 833826768600. Its totient is φ = 158824146384.

The previous prime is 397060365967. The next prime is 397060365997. The reversal of 397060365980 is 89563060793.

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, 9926509130 + ... + 9926509169.

It is an arithmetic number, because the mean of its divisors is an integer number (69485564050).

Almost surely, 2397060365980 is an apocalyptic number.

It is an amenable number.

397060365980 is an abundant number, since it is smaller than the sum of its proper divisors (436766402620).

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

397060365980 is a wasteful number, since it uses less digits than its factorization.

397060365980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19853018308 (or 19853018306 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 397060365980 in words is "three hundred ninety-seven billion, sixty million, three hundred sixty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 19853018299 39706036598 79412073196 99265091495 198530182990 397060365980