Search a number
-
+
7125132644 = 227254469023
BaseRepresentation
bin1101010001011000…
…01110010101100100
3200101120012020111122
412220230032111210
5104043013221034
63135004153112
7341365425320
oct65054162544
920346166448
107125132644
113026a51683
12146a238798
13897209126
144b8410980
152ba7d562e
hex1a8b0e564

7125132644 has 12 divisors (see below), whose sum is σ = 14250265344. Its totient is φ = 3053628264.

The previous prime is 7125132631. The next prime is 7125132683. The reversal of 7125132644 is 4462315217.

7125132644 is an admirable number.

It is a super-3 number, since 3×71251326443 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127234484 + ... + 127234539.

It is an arithmetic number, because the mean of its divisors is an integer number (1187522112).

Almost surely, 27125132644 is an apocalyptic number.

It is an amenable number.

7125132644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7125132644 is a wasteful number, since it uses less digits than its factorization.

7125132644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254469034 (or 254469032 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 7125132644 is about 84410.5007922593. The cubic root of 7125132644 is about 1924.2625066306.

The spelling of 7125132644 in words is "seven billion, one hundred twenty-five million, one hundred thirty-two thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 254469023 508938046 1017876092 1781283161 3562566322 7125132644