Search a number
-
+
70842527872 = 272332375353
BaseRepresentation
bin100000111111010001…
…0110011000010000000
320202212010201021211121
41001332202303002000
52130041141342442
652313345122024
75055354360064
oct1017642630200
9222763637747
1070842527872
112805383a7a6
1211891029314
1368acb6a85c
143600891aa4
151c99588967
hex107e8b3080

70842527872 has 32 divisors (see below), whose sum is σ = 141737373180. Its totient is φ = 35269226496.

The previous prime is 70842527863. The next prime is 70842527879. The reversal of 70842527872 is 27872524807.

It can be written as a sum of positive squares in 2 ways, for example, as 67545930816 + 3296597056 = 259896^2 + 57416^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (70842527879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157853 + ... + 1217500.

Almost surely, 270842527872 is an apocalyptic number.

It is an amenable number.

70842527872 is an abundant number, since it is smaller than the sum of its proper divisors (70894845308).

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

70842527872 is a wasteful number, since it uses less digits than its factorization.

70842527872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375600 (or 2375588 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 52.

The spelling of 70842527872 in words is "seventy billion, eight hundred forty-two million, five hundred twenty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 233 466 932 1864 3728 7456 14912 29824 2375353 4750706 9501412 19002824 38005648 76011296 152022592 304045184 553457249 1106914498 2213828996 4427657992 8855315984 17710631968 35421263936 70842527872