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399885729395 = 5523152919973
BaseRepresentation
bin1011101000110110000…
…10111111111001110011
31102020011201112211012012
411310123002333321303
523022431221320040
6503412134553135
740614353421365
oct5643302777163
91366151484165
10399885729395
11144655084189
1265600b087ab
132b92aa6c1b9
14154d6d38d35
15a606875865
hex5d1b0bfe73

399885729395 has 8 divisors (see below), whose sum is σ = 480780398256. Its totient is φ = 319296901536.

The previous prime is 399885729379. The next prime is 399885729413. The reversal of 399885729395 is 593927588993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 399885729395 - 24 = 399885729379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76457372 + ... + 76462601.

It is an arithmetic number, because the mean of its divisors is an integer number (60097549782).

Almost surely, 2399885729395 is an apocalyptic number.

399885729395 is a deficient number, since it is larger than the sum of its proper divisors (80894668861).

399885729395 is a wasteful number, since it uses less digits than its factorization.

399885729395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152920501.

The product of its digits is 1322697600, while the sum is 77.

The spelling of 399885729395 in words is "three hundred ninety-nine billion, eight hundred eighty-five million, seven hundred twenty-nine thousand, three hundred ninety-five".

Divisors: 1 5 523 2615 152919973 764599865 79977145879 399885729395