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70500042472 = 238812505309
BaseRepresentation
bin100000110101000100…
…0010100011011101000
320201222021021020012011
41001222020110123220
52123341002324342
652215352325304
75044025321266
oct1015210243350
9221867236164
1070500042472
1127998488412
12117b63a3834
136856c15b82
1435ab1bd436
151c79486717
hex106a2146e8

70500042472 has 8 divisors (see below), whose sum is σ = 132187579650. Its totient is φ = 35250021232.

The previous prime is 70500042467. The next prime is 70500042517. The reversal of 70500042472 is 27424000507.

It can be written as a sum of positive squares in only one way, i.e., 49592617636 + 20907424836 = 222694^2 + 144594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406252647 + ... + 4406252662.

Almost surely, 270500042472 is an apocalyptic number.

It is an amenable number.

70500042472 is a deficient number, since it is larger than the sum of its proper divisors (61687537178).

70500042472 is a wasteful number, since it uses less digits than its factorization.

70500042472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812505315 (or 8812505311 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

Adding to 70500042472 its reverse (27424000507), we get a palindrome (97924042979).

The spelling of 70500042472 in words is "seventy billion, five hundred million, forty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 8812505309 17625010618 35250021236 70500042472