Search a number
-
+
557263452642 = 231354751130489
BaseRepresentation
bin10000001101111110111…
…11010111100111100010
31222021101122111111201220
420012333133113213202
533112233420441032
61104000413435510
755155336123021
oct10067737274742
91867348444656
10557263452642
111a5374766a76
129000249bb96
134071b966370
141cd8648c8b8
15e767ed212c
hex81bf7d79e2

557263452642 has 32 divisors (see below), whose sum is σ = 1200290864640. Its totient is φ = 171461232000.

The previous prime is 557263452631. The next prime is 557263452643. The reversal of 557263452642 is 246254362755.

It is not an unprimeable number, because it can be changed into a prime (557263452643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4205334 + ... + 4335822.

It is an arithmetic number, because the mean of its divisors is an integer number (37509089520).

Almost surely, 2557263452642 is an apocalyptic number.

557263452642 is an abundant number, since it is smaller than the sum of its proper divisors (643027411998).

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

557263452642 is a wasteful number, since it uses less digits than its factorization.

557263452642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185258.

The product of its digits is 12096000, while the sum is 51.

The spelling of 557263452642 in words is "five hundred fifty-seven billion, two hundred sixty-three million, four hundred fifty-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 54751 109502 130489 164253 260978 328506 391467 711763 782934 1423526 1696357 2135289 3392714 4270578 5089071 10178142 7144403239 14288806478 21433209717 42866419434 92877242107 185754484214 278631726321 557263452642