Search a number
-
+
70179772012 = 2273138007733
BaseRepresentation
bin100000101011100001…
…0100101011001101100
320201010221121210201021
41001113002211121230
52122212010201022
652123512023524
75033056135210
oct1012702453154
9221127553637
1070179772012
1127843719489
1211727091ba4
13680576b81c
14357a850940
151c5b2c17c7
hex10570a566c

70179772012 has 24 divisors (see below), whose sum is σ = 140807994656. Its totient is φ = 29980948608.

The previous prime is 70179772001. The next prime is 70179772021. The reversal of 70179772012 is 21027797107.

It is a self number, because there is not a number n which added to its sum of digits gives 70179772012.

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, 3995103 + ... + 4012630.

Almost surely, 270179772012 is an apocalyptic number.

It is an amenable number.

70179772012 is an abundant number, since it is smaller than the sum of its proper divisors (70628222644).

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

70179772012 is a wasteful number, since it uses less digits than its factorization.

70179772012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008057 (or 8008055 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 43.

The spelling of 70179772012 in words is "seventy billion, one hundred seventy-nine million, seven hundred seventy-two thousand, twelve".

Divisors: 1 2 4 7 14 28 313 626 1252 2191 4382 8764 8007733 16015466 32030932 56054131 112108262 224216524 2506420429 5012840858 10025681716 17544943003 35089886006 70179772012