Search a number
-
+
71301310856 = 2353242369403
BaseRepresentation
bin100001001100111100…
…0111010100110001000
320211001002222212202222
41002121320322212020
52132011113421411
652431054313212
75102625066566
oct1023170724610
9224032885688
1071301310856
1128269805196
121199a7b8808
136953c21189
143645798a36
151cc49ae4db
hex1099e3a988

71301310856 has 32 divisors (see below), whose sum is σ = 136270589760. Its totient is φ = 34963061952.

The previous prime is 71301310853. The next prime is 71301310879. The reversal of 71301310856 is 65801310317.

It is not an unprimeable number, because it can be changed into a prime (71301310853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992651 + ... + 1062053.

It is an arithmetic number, because the mean of its divisors is an integer number (4258455930).

Almost surely, 271301310856 is an apocalyptic number.

It is an amenable number.

71301310856 is a deficient number, since it is larger than the sum of its proper divisors (64969278904).

71301310856 is a wasteful number, since it uses less digits than its factorization.

71301310856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71885 (or 71881 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 71301310856 in words is "seventy-one billion, three hundred one million, three hundred ten thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 53 106 212 424 2423 4846 9692 19384 69403 128419 138806 256838 277612 513676 555224 1027352 3678359 7356718 14713436 29426872 168163469 336326938 672653876 1345307752 8912663857 17825327714 35650655428 71301310856