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1087864253142 = 23191949270727
BaseRepresentation
bin11111101010010011100…
…00110010101011010110
310211222222010111221200220
433311021300302223112
5120310421222100032
62151431414215210
7141411201403242
oct17651160625326
93758863457626
101087864253142
1138a3a7012837
12156a03654506
137b77b795284
143a91d831422
151d47036912c
hexfd49c32ad6

1087864253142 has 16 divisors (see below), whose sum is σ = 2187119757312. Its totient is φ = 360722875880.

The previous prime is 1087864253131. The next prime is 1087864253191. The reversal of 1087864253142 is 2413524687801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474634218 + ... + 474636509.

It is an arithmetic number, because the mean of its divisors is an integer number (136694984832).

Almost surely, 21087864253142 is an apocalyptic number.

1087864253142 is an abundant number, since it is smaller than the sum of its proper divisors (1099255504170).

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

1087864253142 is a wasteful number, since it uses less digits than its factorization.

1087864253142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949270923.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 1087864253142 in words is "one trillion, eighty-seven billion, eight hundred sixty-four million, two hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 191 382 573 1146 949270727 1898541454 2847812181 5695624362 181310708857 362621417714 543932126571 1087864253142