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2557385894305 = 5111910091242519
BaseRepresentation
bin100101001101110000000…
…100111110100110100001
3100001111001121202001002101
4211031300010332212201
5313400011242104210
65234502531050401
7352523256301624
oct45156004764641
910044047661071
102557385894305
118a6643737010
1235377b440a01
1315721169ab08
148bac72d1dbb
15467cbae8a3a
hex2537013e9a1

2557385894305 has 32 divisors (see below), whose sum is σ = 3524417049600. Its totient is φ = 1761844766400.

The previous prime is 2557385894257. The next prime is 2557385894387. The reversal of 2557385894305 is 5034985837552.

It is not a de Polignac number, because 2557385894305 - 233 = 2548795959713 is a prime.

It is a super-2 number, since 2×25573858943052 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10423836 + ... + 10666354.

It is an arithmetic number, because the mean of its divisors is an integer number (110138032800).

Almost surely, 22557385894305 is an apocalyptic number.

It is an amenable number.

2557385894305 is a deficient number, since it is larger than the sum of its proper divisors (967031155295).

2557385894305 is a wasteful number, since it uses less digits than its factorization.

2557385894305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252645.

The product of its (nonzero) digits is 181440000, while the sum is 64.

The spelling of 2557385894305 in words is "two trillion, five hundred fifty-seven billion, three hundred eighty-five million, eight hundred ninety-four thousand, three hundred five".

Divisors: 1 5 11 19 55 95 209 1045 10091 50455 111001 191729 242519 555005 958645 1212595 2109019 2667709 4607861 10545095 13338545 23039305 50686471 253432355 2447259229 12236296145 26919851519 46497925351 134599257595 232489626755 511477178861 2557385894305