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2557215877130 = 257115972255299
BaseRepresentation
bin100101001101100101111…
…100011010100000001010
3100001110121202211021100222
4211031211330122200022
5313344134231032010
65234434015030042
7352516123212005
oct45154574324012
910043552737328
102557215877130
118a6566772652
1235373250b322
131571b53b0a35
148baac8b653c
15467bbc13355
hex25365f1a80a

2557215877130 has 32 divisors (see below), whose sum is σ = 4670744342400. Its totient is φ = 1007847570240.

The previous prime is 2557215877127. The next prime is 2557215877133. The reversal of 2557215877130 is 317785127552.

It is an interprime number because it is at equal distance from previous prime (2557215877127) and next prime (2557215877133).

It is not an unprimeable number, because it can be changed into a prime (2557215877133) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6221 + ... + 2261519.

It is an arithmetic number, because the mean of its divisors is an integer number (145960760700).

Almost surely, 22557215877130 is an apocalyptic number.

2557215877130 is a deficient number, since it is larger than the sum of its proper divisors (2113528465270).

2557215877130 is a wasteful number, since it uses less digits than its factorization.

2557215877130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256974.

The product of its (nonzero) digits is 4116000, while the sum is 53.

The spelling of 2557215877130 in words is "two trillion, five hundred fifty-seven billion, two hundred fifteen million, eight hundred seventy-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 1597 3194 7985 15970 113387 226774 566935 1133870 2255299 4510598 11276495 22552990 160126229 320252458 800631145 1601262290 3601712503 7203425006 18008562515 36017125030 255721587713 511443175426 1278607938565 2557215877130