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557195761438 = 21380720178017
BaseRepresentation
bin10000001101110110111…
…01001001011100011110
31222021012221010102212021
420012323131021130132
533112114103331223
61103545554530354
755153554553411
oct10067335113436
91867187112767
10557195761438
111a533a532628
128bba38969ba
134070a9256b4
141cd7b4abb78
15e7620b065d
hex81bb74971e

557195761438 has 8 divisors (see below), whose sum is σ = 835854217632. Its totient is φ = 278577688896.

The previous prime is 557195761399. The next prime is 557195761469. The reversal of 557195761438 is 834167591755.

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

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, 10061395 + ... + 10116622.

It is an arithmetic number, because the mean of its divisors is an integer number (104481777204).

Almost surely, 2557195761438 is an apocalyptic number.

557195761438 is a deficient number, since it is larger than the sum of its proper divisors (278658456194).

557195761438 is a wasteful number, since it uses less digits than its factorization.

557195761438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191826.

The product of its digits is 31752000, while the sum is 61.

The spelling of 557195761438 in words is "five hundred fifty-seven billion, one hundred ninety-five million, seven hundred sixty-one thousand, four hundred thirty-eight".

Divisors: 1 2 13807 27614 20178017 40356034 278597880719 557195761438