Search a number
-
+
23444555690 = 2531163463973
BaseRepresentation
bin10101110101011001…
…111000011110101010
32020111220001211100102
4111311121320132222
5341003301240230
614434214105402
71456656302213
oct256531703652
966456054312
1023444555690
119a40927766
12466364b262
132298200a7a
1411c597040a
15923375045
hex5756787aa

23444555690 has 32 divisors (see below), whose sum is σ = 43828839936. Its totient is φ = 9019615680.

The previous prime is 23444555689. The next prime is 23444555723. The reversal of 23444555690 is 9655544432.

It is a super-2 number, since 2×234445556902 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181457 + ... + 282516.

It is an arithmetic number, because the mean of its divisors is an integer number (1369651248).

Almost surely, 223444555690 is an apocalyptic number.

23444555690 is a deficient number, since it is larger than the sum of its proper divisors (20384284246).

23444555690 is a wasteful number, since it uses less digits than its factorization.

23444555690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464174.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 23444555690 in words is "twenty-three billion, four hundred forty-four million, five hundred fifty-five thousand, six hundred ninety".

Divisors: 1 2 5 10 31 62 155 163 310 326 815 1630 5053 10106 25265 50530 463973 927946 2319865 4639730 14383163 28766326 71915815 75627599 143831630 151255198 378137995 756275990 2344455569 4688911138 11722277845 23444555690