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397871047934 = 2929214139423
BaseRepresentation
bin1011100101000101111…
…01100110010011111110
31102000222022120101210022
411302202331212103332
523004314442013214
6502440205212142
740513421051453
oct5624275462376
91360868511708
10397871047934
1114381091a188
126513a261052
132b6995544a9
141538553b82a
15a539a62d8e
hex5ca2f664fe

397871047934 has 8 divisors (see below), whose sum is σ = 597448992960. Its totient is φ = 198721383616.

The previous prime is 397871047933. The next prime is 397871047939. The reversal of 397871047934 is 439740178793.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397871047933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107067854 + ... + 107071569.

It is an arithmetic number, because the mean of its divisors is an integer number (74681124120).

Almost surely, 2397871047934 is an apocalyptic number.

397871047934 is a deficient number, since it is larger than the sum of its proper divisors (199577945026).

397871047934 is a wasteful number, since it uses less digits than its factorization.

397871047934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214140354.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 397871047934 in words is "three hundred ninety-seven billion, eight hundred seventy-one million, forty-seven thousand, nine hundred thirty-four".

Divisors: 1 2 929 1858 214139423 428278846 198935523967 397871047934