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3957955972423 = 44329992979139
BaseRepresentation
bin111001100110001000100…
…011110100110101000111
3112000101011202102210201121
4321212020203310311013
51004321343212104143
612230132044334411
7555644560446205
oct71461043646507
915011152383647
103957955972423
111296617a65442
1253b0b3544407
13229306424ccb
14d97cd4d6075
156ce4ed157ed
hex399888f4d47

3957955972423 has 8 divisors (see below), whose sum is σ = 3968214480000. Its totient is φ = 3947703430008.

The previous prime is 3957955972393. The next prime is 3957955972459. The reversal of 3957955972423 is 3242795597593.

3957955972423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3957955972423 - 25 = 3957955972391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957955975423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161013 + ... + 2818126.

It is an arithmetic number, because the mean of its divisors is an integer number (496026810000).

Almost surely, 23957955972423 is an apocalyptic number.

3957955972423 is a deficient number, since it is larger than the sum of its proper divisors (10258507577).

3957955972423 is a wasteful number, since it uses less digits than its factorization.

3957955972423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982581.

The product of its digits is 642978000, while the sum is 70.

The spelling of 3957955972423 in words is "three trillion, nine hundred fifty-seven billion, nine hundred fifty-five million, nine hundred seventy-two thousand, four hundred twenty-three".

Divisors: 1 443 2999 1328557 2979139 1319758577 8934437861 3957955972423