Search a number
-
+
32145625472 = 271731451663
BaseRepresentation
bin11101111100000001…
…110101000110000000
310001222021122222012012
4131330001311012000
51011313240003342
622433440152052
72215412210462
oct357401650600
9101867588165
1032145625472
11126a6405224
126291608628
133053a6917c
1417ad3b0132
15c821a4b82
hex77c075180

32145625472 has 32 divisors (see below), whose sum is σ = 64410331680. Its totient is φ = 15979895296.

The previous prime is 32145625469. The next prime is 32145625481. The reversal of 32145625472 is 27452654123.

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

It is a super-3 number, since 3×321456254723 (a number of 32 digits) contains 333 as substring.

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, 703688 + ... + 747975.

It is an arithmetic number, because the mean of its divisors is an integer number (2012822865).

Almost surely, 232145625472 is an apocalyptic number.

32145625472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32145625472 is an abundant number, since it is smaller than the sum of its proper divisors (32264706208).

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

32145625472 is a wasteful number, since it uses less digits than its factorization.

32145625472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451850 (or 1451838 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The spelling of 32145625472 in words is "thirty-two billion, one hundred forty-five million, six hundred twenty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 173 346 692 1384 2768 5536 11072 22144 1451663 2903326 5806652 11613304 23226608 46453216 92906432 185812864 251137699 502275398 1004550796 2009101592 4018203184 8036406368 16072812736 32145625472