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31388032641010 = 253138803264101
BaseRepresentation
bin1110010001100000110001…
…00010010010011111110010
311010010122222221222201122211
413020300120202102133302
513103230142324003020
6150431244011522334
76416465465230633
oct710603042223762
9133118887881584
1031388032641010
11a001654161411
12362b2647593aa
131468b5689c6c6
147a729043388a
1539671c4b485a
hex1c8c188927f2

31388032641010 has 8 divisors (see below), whose sum is σ = 56498458753836. Its totient is φ = 12555213056400.

The previous prime is 31388032640957. The next prime is 31388032641037. The reversal of 31388032641010 is 1014623088313.

It can be written as a sum of positive squares in 2 ways, for example, as 30237538283689 + 1150494357321 = 5498867^2 + 1072611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569401632041 + ... + 1569401632060.

Almost surely, 231388032641010 is an apocalyptic number.

31388032641010 is a deficient number, since it is larger than the sum of its proper divisors (25110426112826).

31388032641010 is a wasteful number, since it uses less digits than its factorization.

31388032641010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138803264108.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 31388032641010 in words is "thirty-one trillion, three hundred eighty-eight billion, thirty-two million, six hundred forty-one thousand, ten".

Divisors: 1 2 5 10 3138803264101 6277606528202 15694016320505 31388032641010