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80941302636 = 223101137487469
BaseRepresentation
bin100101101100001111…
…0100100001101101100
321201220221100012110120
41023120132210031230
52311231433141021
6101103421004540
75563541502105
oct1133036441554
9251827305416
1080941302636
1131366289747
121382b0b3750
13782c15cc1c
143cbbba73ac
15218ae582c6
hex12d87a436c

80941302636 has 48 divisors (see below), whose sum is σ = 192125576160. Its totient is φ = 26518259200.

The previous prime is 80941302623. The next prime is 80941302691. The reversal of 80941302636 is 63620314908.

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, 77691 + ... + 409778.

It is an arithmetic number, because the mean of its divisors is an integer number (4002616170).

Almost surely, 280941302636 is an apocalyptic number.

It is an amenable number.

80941302636 is an abundant number, since it is smaller than the sum of its proper divisors (111184273524).

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

80941302636 is a wasteful number, since it uses less digits than its factorization.

80941302636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487714 (or 487712 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 80941302636 in words is "eighty billion, nine hundred forty-one million, three hundred two thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 101 137 202 274 303 404 411 548 606 822 1212 1644 13837 27674 41511 55348 83022 166044 487469 974938 1462407 1949876 2924814 5849628 49234369 66783253 98468738 133566506 147703107 196937476 200349759 267133012 295406214 400699518 590812428 801399036 6745108553 13490217106 20235325659 26980434212 40470651318 80941302636