Search a number
-
+
7070645864 = 231946517407
BaseRepresentation
bin1101001010111000…
…10111111001101000
3200020202200000200202
412211130113321220
5103440041131424
63125340251332
7340134332612
oct64534277150
920222600622
107070645864
112aa9216987
121453b40b48
13888b3c729
144b10a9db2
152b5b212ae
hex1a5717e68

7070645864 has 16 divisors (see below), whose sum is σ = 13955222400. Its totient is φ = 3349253232.

The previous prime is 7070645849. The next prime is 7070645867. The reversal of 7070645864 is 4685460707.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7070645867) 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, 23258552 + ... + 23258855.

It is an arithmetic number, because the mean of its divisors is an integer number (872201400).

Almost surely, 27070645864 is an apocalyptic number.

It is an amenable number.

7070645864 is a deficient number, since it is larger than the sum of its proper divisors (6884576536).

7070645864 is a wasteful number, since it uses less digits than its factorization.

7070645864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46517432 (or 46517428 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The square root of 7070645864 is about 84087.1325709231. The cubic root of 7070645864 is about 1919.3449248164.

The spelling of 7070645864 in words is "seven billion, seventy million, six hundred forty-five thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 19 38 76 152 46517407 93034814 186069628 372139256 883830733 1767661466 3535322932 7070645864