Search a number
-
+
70390527256 = 2375921304639
BaseRepresentation
bin100000110001110011…
…0100011010100011000
320201200122012021120001
41001203212203110120
52123124433333011
652200441142344
75041225416040
oct1014346432430
9221618167501
1070390527256
1127941687a75
121178578a9b4
13683a32037a
14359a832720
151c6ea527c1
hex10639a3518

70390527256 has 32 divisors (see below), whose sum is σ = 153393408000. Its totient is φ = 29656056096.

The previous prime is 70390527241. The next prime is 70390527281. The reversal of 70390527256 is 65272509307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10649016 + ... + 10655623.

It is an arithmetic number, because the mean of its divisors is an integer number (4793544000).

Almost surely, 270390527256 is an apocalyptic number.

It is an amenable number.

70390527256 is an abundant number, since it is smaller than the sum of its proper divisors (83002880744).

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

70390527256 is a wasteful number, since it uses less digits than its factorization.

70390527256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21304711 (or 21304707 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 70390527256 in words is "seventy billion, three hundred ninety million, five hundred twenty-seven thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 59 118 236 413 472 826 1652 3304 21304639 42609278 85218556 149132473 170437112 298264946 596529892 1193059784 1256973701 2513947402 5027894804 8798815907 10055789608 17597631814 35195263628 70390527256