Search a number
-
+
23421629472 = 2531384117627
BaseRepresentation
bin10101110100000010…
…011011010000100000
32020110021221001111020
4111310002123100200
5340431414120342
614432034445440
71456260365013
oct256402332040
966407831436
1023421629472
119a2999897a
124657a33880
132293534767
1411c28c337a
159213470ec
hex57409b420

23421629472 has 48 divisors (see below), whose sum is σ = 61489707552. Its totient is φ = 7806202880.

The previous prime is 23421629437. The next prime is 23421629501. The reversal of 23421629472 is 27492612432.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319923 + ... + 1337549.

It is an arithmetic number, because the mean of its divisors is an integer number (1281035574).

Almost surely, 223421629472 is an apocalyptic number.

It is an amenable number.

23421629472 is an abundant number, since it is smaller than the sum of its proper divisors (38068078080).

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

23421629472 is a wasteful number, since it uses less digits than its factorization.

23421629472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31481 (or 31473 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The spelling of 23421629472 in words is "twenty-three billion, four hundred twenty-one million, six hundred twenty-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 13841 17627 27682 35254 41523 52881 55364 70508 83046 105762 110728 141016 166092 211524 221456 282032 332184 423048 442912 564064 664368 846096 1328736 1692192 243975307 487950614 731925921 975901228 1463851842 1951802456 2927703684 3903604912 5855407368 7807209824 11710814736 23421629472