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31142895262098 = 2357145491998277
BaseRepresentation
bin1110001010011000001010…
…01101011001100110010010
311002021020020220202121122220
413011030011031121212102
513040221122141341343
6150122503143041510
76362666656003014
oct705140515314622
9132236226677586
1031142895262098
119a1769a533384
1235ab850740296
13144b9bb06c0c9
147994777621b4
15390171517183
hex1c5305359992

31142895262098 has 32 divisors (see below), whose sum is σ = 62408619873600. Its totient is φ = 10360501542720.

The previous prime is 31142895262069. The next prime is 31142895262099. The reversal of 31142895262098 is 89026259824113.

It is a super-2 number, since 2×311428952620982 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31142895262099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14585736 + ... + 16584012.

It is an arithmetic number, because the mean of its divisors is an integer number (1950269371050).

Almost surely, 231142895262098 is an apocalyptic number.

31142895262098 is an abundant number, since it is smaller than the sum of its proper divisors (31265724611502).

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

31142895262098 is a wasteful number, since it uses less digits than its factorization.

31142895262098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003402.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 31142895262098 in words is "thirty-one trillion, one hundred forty-two billion, eight hundred ninety-five million, two hundred sixty-two thousand, ninety-eight".

Divisors: 1 2 3 6 571 1142 1713 3426 4549 9098 13647 27294 1998277 2597479 3996554 5194958 5994831 7792437 11989662 15584874 1141016167 2282032334 3423048501 6846097002 9090162073 18180324146 27270486219 54540972438 5190482543683 10380965087366 15571447631049 31142895262098