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268906864882 = 2163997819853
BaseRepresentation
bin1111101001110000011…
…0010010000011110010
3221201002120201002220011
43322130012102003302
513401210124134012
6323311211205134
725266522431545
oct3723406220362
9851076632804
10268906864882
11a4051a07717
12441484467aa
131c48614a6c6
14d02d86485c
156edcb081a7
hex3e9c1920f2

268906864882 has 8 divisors (see below), whose sum is σ = 403363248876. Its totient is φ = 134452448592.

The previous prime is 268906864871. The next prime is 268906864901. The reversal of 268906864882 is 288468609862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 259092198121 + 9814666761 = 509011^2 + 99069^2 .

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, 81933 + ... + 737920.

Almost surely, 2268906864882 is an apocalyptic number.

268906864882 is a deficient number, since it is larger than the sum of its proper divisors (134456383994).

268906864882 is a wasteful number, since it uses less digits than its factorization.

268906864882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983852.

The product of its (nonzero) digits is 127401984, while the sum is 67.

The spelling of 268906864882 in words is "two hundred sixty-eight billion, nine hundred six million, eight hundred sixty-four thousand, eight hundred eighty-two".

Divisors: 1 2 163997 327994 819853 1639706 134453432441 268906864882