Search a number
-
+
80047344140 = 225107208717923
BaseRepresentation
bin100101010001100110…
…0011000101000001100
321122121122012101221122
41022203030120220030
52302414110003030
6100435004220112
75532435125111
oct1124314305014
9248548171848
1080047344140
1130a47703475
121361b83a638
137718ba03ba
143c35180908
1521377218e5
hex12a3318a0c

80047344140 has 48 divisors (see below), whose sum is σ = 169761215232. Its totient is φ = 31702727616.

The previous prime is 80047344137. The next prime is 80047344191. The reversal of 80047344140 is 4144374008.

It is a self number, because there is not a number n which added to its sum of digits gives 80047344140.

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, 4457219 + ... + 4475141.

It is an arithmetic number, because the mean of its divisors is an integer number (3536691984).

Almost surely, 280047344140 is an apocalyptic number.

It is an amenable number.

80047344140 is an abundant number, since it is smaller than the sum of its proper divisors (89713871092).

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

80047344140 is a wasteful number, since it uses less digits than its factorization.

80047344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126 (or 20124 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 80047344140 in words is "eighty billion, forty-seven million, three hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2087 2140 4174 8348 10435 17923 20870 35846 41740 71692 89615 179230 223309 358460 446618 893236 1116545 1917761 2233090 3835522 4466180 7671044 9588805 19177610 37405301 38355220 74810602 149621204 187026505 374053010 748106020 4002367207 8004734414 16009468828 20011836035 40023672070 80047344140