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80055140742 = 23217701373207
BaseRepresentation
bin100101010001110101…
…0001000000110000110
321122122011212111212200
41022203222020012012
52302423104000432
6100435443255330
75532561316533
oct1124352100606
9248564774780
1080055140742
1130a51049145
121362237a546
13771a6a0085
143c3620dd8a
152138261a7c
hex12a3a88186

80055140742 has 48 divisors (see below), whose sum is σ = 183918395232. Its totient is φ = 25079443200.

The previous prime is 80055140731. The next prime is 80055140771. The reversal of 80055140742 is 24704155008.

It is a super-3 number, since 3×800551407423 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80055140697 and 80055140706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27903 + ... + 401109.

It is an arithmetic number, because the mean of its divisors is an integer number (3831633234).

Almost surely, 280055140742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80055140742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91959197616).

80055140742 is an abundant number, since it is smaller than the sum of its proper divisors (103863254490).

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

80055140742 is a wasteful number, since it uses less digits than its factorization.

80055140742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373933 (or 373930 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 80055140742 in words is "eighty billion, fifty-five million, one hundred forty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 701 1402 2103 4206 6309 11917 12618 23834 35751 71502 107253 214506 373207 746414 1119621 2239242 3358863 6344519 6717726 12689038 19033557 38067114 57100671 114201342 261618107 523236214 784854321 1569708642 2354562963 4447507819 4709125926 8895015638 13342523457 26685046914 40027570371 80055140742