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86744644768 = 2546711714957
BaseRepresentation
bin101000011001001100…
…0100011110010100000
322021220101100112021001
41100302120203302200
52410123112113033
6103503330441344
76160420212655
oct1206230436240
9267811315231
1086744644768
11338740aa571
121498a733254
138245571992
1442ac823c2c
1523ca696e7d
hex1432623ca0

86744644768 has 48 divisors (see below), whose sum is σ = 171324919584. Its totient is φ = 43233765120.

The previous prime is 86744644759. The next prime is 86744644781.

86744644768 is nontrivially palindromic in base 10.

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, 17496946 + ... + 17501902.

It is an arithmetic number, because the mean of its divisors is an integer number (3569269158).

Almost surely, 286744644768 is an apocalyptic number.

It is an amenable number.

86744644768 is a deficient number, since it is larger than the sum of its proper divisors (84580274816).

86744644768 is a wasteful number, since it uses less digits than its factorization.

86744644768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6605 (or 6597 counting only the distinct ones).

The product of its digits is 173408256, while the sum is 64.

The spelling of 86744644768 in words is "eighty-six billion, seven hundred forty-four million, six hundred forty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 467 934 1171 1868 2342 3736 4684 4957 7472 9368 9914 14944 18736 19828 37472 39656 79312 158624 546857 1093714 2187428 2314919 4374856 4629838 5804647 8749712 9259676 11609294 17499424 18519352 23218588 37038704 46437176 74077408 92874352 185748704 2710770149 5421540298 10843080596 21686161192 43372322384 86744644768