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31457143031610 = 23517591045435129
BaseRepresentation
bin1110010011100001011111…
…10101100000011100111010
311010101021101101101022212010
413021300233311200130322
513110343212104002420
6150523113443230350
76424463220656112
oct711605765403472
9133337341338763
1031457143031610
11a0289991787aa
1236407316783b6
13147251b91ac5a
147aa768c36042
1539841494c4e0
hex1c9c2fd6073a

31457143031610 has 64 divisors (see below), whose sum is σ = 81293035708800. Its totient is φ = 7761310390272.

The previous prime is 31457143031609. The next prime is 31457143031687. The reversal of 31457143031610 is 1613034175413.

It is a super-2 number, since 2×314571430316102 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522687475 + ... + 522747654.

It is an arithmetic number, because the mean of its divisors is an integer number (1270203682950).

Almost surely, 231457143031610 is an apocalyptic number.

31457143031610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31457143031610 is an abundant number, since it is smaller than the sum of its proper divisors (49835892677190).

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

31457143031610 is a wasteful number, since it uses less digits than its factorization.

31457143031610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045435215.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 31457143031610 in words is "thirty-one trillion, four hundred fifty-seven billion, one hundred forty-three million, thirty-one thousand, six hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 59 85 102 118 170 177 255 295 354 510 590 885 1003 1770 2006 3009 5015 6018 10030 15045 30090 1045435129 2090870258 3136305387 5227175645 6272610774 10454351290 15681526935 17772397193 31363053870 35544794386 53317191579 61680672611 88861985965 106634383158 123361345222 177723971930 185042017833 266585957895 308403363055 370084035666 533171915790 616806726110 925210089165 1048571434387 1850420178330 2097142868774 3145714303161 5242857171935 6291428606322 10485714343870 15728571515805 31457143031610