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1310451809664 = 2733412634921
BaseRepresentation
bin10011000100011101000…
…000111011110110000000
311122021111122021101200210
4103010131000323312000
5132432301130402124
62442002510114120
7163451134410564
oct23043500736600
94567448241623
101310451809664
11465839979518
12191b837ab940
13967625961ba
14475d771b6a4
152414b7cca29
hex1311d03bd80

1310451809664 has 32 divisors (see below), whose sum is σ = 3480887620440. Its totient is φ = 436817269760.

The previous prime is 1310451809633. The next prime is 1310451809729. The reversal of 1310451809664 is 4669081540131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706317077 + ... + 1706317844.

Almost surely, 21310451809664 is an apocalyptic number.

It is an amenable number.

1310451809664 is an abundant number, since it is smaller than the sum of its proper divisors (2170435810776).

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

1310451809664 is an equidigital number, since it uses as much as digits as its factorization.

1310451809664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412634938 (or 3412634926 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 1310451809664 in words is "one trillion, three hundred ten billion, four hundred fifty-one million, eight hundred nine thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 3412634921 6825269842 10237904763 13650539684 20475809526 27301079368 40951619052 54602158736 81903238104 109204317472 163806476208 218408634944 327612952416 436817269888 655225904832 1310451809664