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557701505452 = 227132173681257
BaseRepresentation
bin10000001110110011001…
…10011010000110101100
31222022112011202220020001
420013121212122012230
533114133041133302
61104112102434044
755202235402640
oct10073146320654
91868464686201
10557701505452
111a5579a62593
1290105132924
134078b63c100
141cdc871ac20
15e7916b0787
hex81d999a1ac

557701505452 has 72 divisors (see below), whose sum is σ = 1214786565216. Its totient is φ = 219353531904.

The previous prime is 557701505429. The next prime is 557701505609. The reversal of 557701505452 is 254505107755.

It is a super-2 number, since 2×5577015054522 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478008 + ... + 1159264.

It is an arithmetic number, because the mean of its divisors is an integer number (16872035628).

Almost surely, 2557701505452 is an apocalyptic number.

557701505452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557701505452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607393282608).

557701505452 is an abundant number, since it is smaller than the sum of its proper divisors (657085059764).

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

557701505452 is a wasteful number, since it uses less digits than its factorization.

557701505452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681467 (or 681452 counting only the distinct ones).

The product of its (nonzero) digits is 1225000, while the sum is 46.

The spelling of 557701505452 in words is "five hundred fifty-seven billion, seven hundred one million, five hundred five thousand, four hundred fifty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 169 173 182 338 346 364 676 692 1183 1211 2249 2366 2422 4498 4732 4844 8996 15743 29237 31486 58474 62972 116948 204659 409318 681257 818636 1362514 2725028 4768799 8856341 9537598 17712682 19075196 35425364 61994387 115132433 117857461 123988774 230264866 235714922 247977548 460529732 471429844 805927031 825002227 1532146993 1611854062 1650004454 3064293986 3223708124 3300008908 6128587972 10725028951 19917910909 21450057902 39835821818 42900115804 79671643636 139425376363 278850752726 557701505452