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77082007698 = 2331427444587
BaseRepresentation
bin100011111001001110…
…0100001100010010010
321100221222101201002000
41013302130201202102
52230330443221243
655224434534430
75366110153263
oct1076234414222
9240858351060
1077082007698
112a7658692a3
1212b32737416
137365734757
143a333dc96a
1520122285d3
hex11f2721892

77082007698 has 16 divisors (see below), whose sum is σ = 171293350560. Its totient is φ = 25694002548.

The previous prime is 77082007679. The next prime is 77082007727. The reversal of 77082007698 is 89670028077.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1427444587 = 77082007698 / (7 + 7 + 0 + 8 + 2 + 0 + 0 + 7 + 6 + 9 + 8).

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, 713722240 + ... + 713722347.

It is an arithmetic number, because the mean of its divisors is an integer number (10705834410).

Almost surely, 277082007698 is an apocalyptic number.

77082007698 is an abundant number, since it is smaller than the sum of its proper divisors (94211342862).

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

77082007698 is a wasteful number, since it uses less digits than its factorization.

77082007698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427444598 (or 1427444592 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 77082007698 in words is "seventy-seven billion, eighty-two million, seven thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 1427444587 2854889174 4282333761 8564667522 12847001283 25694002566 38541003849 77082007698