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76797343780 = 2253839867189
BaseRepresentation
bin100011110000101111…
…0100111100000100100
321100020010202021120221
41013201132213200210
52224240110000110
655140305334124
75356052436313
oct1074136474044
9240203667527
1076797343780
112a62a10a063
1212a73337344
13731b776271
143a0769c27a
151ee72487da
hex11e17a7824

76797343780 has 12 divisors (see below), whose sum is σ = 161274421980. Its totient is φ = 30718937504.

The previous prime is 76797343729. The next prime is 76797343813. The reversal of 76797343780 is 8734379767.

It can be written as a sum of positive squares in 2 ways, for example, as 21112671204 + 55684672576 = 145302^2 + 235976^2 .

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, 1919933575 + ... + 1919933614.

It is an arithmetic number, because the mean of its divisors is an integer number (13439535165).

Almost surely, 276797343780 is an apocalyptic number.

It is an amenable number.

76797343780 is an abundant number, since it is smaller than the sum of its proper divisors (84477078200).

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

76797343780 is a wasteful number, since it uses less digits than its factorization.

76797343780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839867198 (or 3839867196 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 61.

The spelling of 76797343780 in words is "seventy-six billion, seven hundred ninety-seven million, three hundred forty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 3839867189 7679734378 15359468756 19199335945 38398671890 76797343780