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80789603742 = 2334334793111
BaseRepresentation
bin100101100111101101…
…1111000010110011110
321201112100220002201000
41023033123320112132
52310424114304432
6101040401331130
75560020205221
oct1131733702636
9251470802630
1080789603742
1131298697061
12137a8336aa6
1378068b7973
143ca59995b8
15217c99057c
hex12cf6f859e

80789603742 has 32 divisors (see below), whose sum is σ = 183707631360. Its totient is φ = 26303591160.

The previous prime is 80789603737. The next prime is 80789603777. The reversal of 80789603742 is 24730698708.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17394234 + ... + 17398877.

It is an arithmetic number, because the mean of its divisors is an integer number (5740863480).

Almost surely, 280789603742 is an apocalyptic number.

80789603742 is an abundant number, since it is smaller than the sum of its proper divisors (102918027618).

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

80789603742 is a wasteful number, since it uses less digits than its factorization.

80789603742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34793165 (or 34793159 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 80789603742 in words is "eighty billion, seven hundred eighty-nine million, six hundred three thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 43 54 86 129 258 387 774 1161 2322 34793111 69586222 104379333 208758666 313137999 626275998 939413997 1496103773 1878827994 2992207546 4488311319 8976622638 13464933957 26929867914 40394801871 80789603742