Search a number
-
+
7125126880 = 25544532043
BaseRepresentation
bin1101010001011000…
…01100111011100000
3200101120011221121011
412220230030323200
5104043013030010
63135004110304
7341365402444
oct65054147340
920346157534
107125126880
113026a48313
12146a235394
13897206611
144b840c824
152ba7d3a8a
hex1a8b0cee0

7125126880 has 24 divisors (see below), whose sum is σ = 16833112632. Its totient is φ = 2850050688.

The previous prime is 7125126871. The next prime is 7125126937. The reversal of 7125126880 is 886215217.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 22265862 + ... + 22266181.

It is an arithmetic number, because the mean of its divisors is an integer number (701379693).

Almost surely, 27125126880 is an apocalyptic number.

It is an amenable number.

7125126880 is an abundant number, since it is smaller than the sum of its proper divisors (9707985752).

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

7125126880 is a wasteful number, since it uses less digits than its factorization.

7125126880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44532058 (or 44532050 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 7125126880 is about 84410.4666495808. The cubic root of 7125126880 is about 1924.2619877419.

The spelling of 7125126880 in words is "seven billion, one hundred twenty-five million, one hundred twenty-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 44532043 89064086 178128172 222660215 356256344 445320430 712512688 890640860 1425025376 1781281720 3562563440 7125126880