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26968206943728 = 2432187279214887
BaseRepresentation
bin1100010000111000001100…
…11001010010010111110000
310112111010122201011212212100
412020130012121102113300
512013321341434144403
6133205005004100400
75452250210536011
oct610340631222760
9115433581155770
1026968206943728
11865817483a666
123036751b34700
131208124c1891b
146933a7c5d008
1531b7893252a3
hex1887066525f0

26968206943728 has 30 divisors (see below), whose sum is σ = 75473523599864. Its totient is φ = 8989402314528.

The previous prime is 26968206943703. The next prime is 26968206943739. The reversal of 26968206943728 is 82734960286962.

26968206943728 is a `hidden beast` number, since 2 + 6 + 96 + 8 + 20 + 69 + 437 + 28 = 666.

It is a super-2 number, since 2×269682069437282 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93639607300 + ... + 93639607587.

Almost surely, 226968206943728 is an apocalyptic number.

It is an amenable number.

26968206943728 is an abundant number, since it is smaller than the sum of its proper divisors (48505316656136).

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

26968206943728 is a wasteful number, since it uses less digits than its factorization.

26968206943728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187279214901 (or 187279214892 counting only the distinct ones).

The product of its (nonzero) digits is 752467968, while the sum is 72.

The spelling of 26968206943728 in words is "twenty-six trillion, nine hundred sixty-eight billion, two hundred six million, nine hundred forty-three thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 187279214887 374558429774 561837644661 749116859548 1123675289322 1498233719096 1685512933983 2247350578644 2996467438192 3371025867966 4494701157288 6742051735932 8989402314576 13484103471864 26968206943728