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257172200710 = 25212471210393
BaseRepresentation
bin1110111110000010101…
…0000101110100000110
3220120210202212101212121
43233200222011310012
513203142040410320
6314050540440154
724402652431625
oct3574052056406
9816722771777
10257172200710
119a080003857
1241a1254905a
131b335c67a39
14c6391956bc
156a527ea8aa
hex3be0a85d06

257172200710 has 16 divisors (see below), whose sum is σ = 462932130816. Its totient is φ = 102863953728.

The previous prime is 257172200689. The next prime is 257172200717. The reversal of 257172200710 is 17002271752.

It is a super-2 number, since 2×2571722007102 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257172200717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392727 + ... + 817666.

It is an arithmetic number, because the mean of its divisors is an integer number (28933258176).

Almost surely, 2257172200710 is an apocalyptic number.

257172200710 is a deficient number, since it is larger than the sum of its proper divisors (205759930106).

257172200710 is a wasteful number, since it uses less digits than its factorization.

257172200710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231647.

The product of its (nonzero) digits is 13720, while the sum is 34.

The spelling of 257172200710 in words is "two hundred fifty-seven billion, one hundred seventy-two million, two hundred thousand, seven hundred ten".

Divisors: 1 2 5 10 21247 42494 106235 212470 1210393 2420786 6051965 12103930 25717220071 51434440142 128586100355 257172200710