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80541946068 = 2236711828839
BaseRepresentation
bin100101100000010101…
…1001001000011010100
321200220002212210020120
41023000223021003110
52304422214233233
6101000033231540
75550622150203
oct1130053110324
9250802783216
1080541946068
11311809131a1
12137394025b0
1377974b546c
143c80b2d23a
152165d704b3
hex12c0ac90d4

80541946068 has 12 divisors (see below), whose sum is σ = 187931207520. Its totient is φ = 26847315352.

The previous prime is 80541946039. The next prime is 80541946073. The reversal of 80541946068 is 86064914508.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 80541946068.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355914408 + ... + 3355914431.

It is an arithmetic number, because the mean of its divisors is an integer number (15660933960).

Almost surely, 280541946068 is an apocalyptic number.

It is an amenable number.

80541946068 is an abundant number, since it is smaller than the sum of its proper divisors (107389261452).

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

80541946068 is a wasteful number, since it uses less digits than its factorization.

80541946068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711828846 (or 6711828844 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 80541946068 in words is "eighty billion, five hundred forty-one million, nine hundred forty-six thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 6711828839 13423657678 20135486517 26847315356 40270973034 80541946068