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8041253768 = 231005156721
BaseRepresentation
bin1110111110100101…
…11100101110001000
3202202102001000102122
413133102330232020
5112432030110033
63405531550412
7403161346352
oct73722745610
922672030378
108041253768
113457094a79
121684bbb408
139b1c58532
14563d660d2
15320e48a98
hex1df4bcb88

8041253768 has 8 divisors (see below), whose sum is σ = 15077350830. Its totient is φ = 4020626880.

The previous prime is 8041253747. The next prime is 8041253791. The reversal of 8041253768 is 8673521408.

It can be written as a sum of positive squares in only one way, i.e., 4214346724 + 3826907044 = 64918^2 + 61862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×80412537682 (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 502578353 + ... + 502578368.

Almost surely, 28041253768 is an apocalyptic number.

It is an amenable number.

8041253768 is a deficient number, since it is larger than the sum of its proper divisors (7036097062).

8041253768 is a wasteful number, since it uses less digits than its factorization.

8041253768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005156727 (or 1005156723 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 8041253768 is about 89673.0381329862. The cubic root of 8041253768 is about 2003.4319215886.

The spelling of 8041253768 in words is "eight billion, forty-one million, two hundred fifty-three thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 1005156721 2010313442 4020626884 8041253768