Search a number
-
+
23228670180 = 2235698355441
BaseRepresentation
bin10101101000100010…
…010110000011100100
32012221211211201002210
4111220202112003210
5340033014421210
614400543003420
71451425303332
oct255042260344
965854751083
1023228670180
11993aa84791
124603299570
132262574071
1411a5014b52
1590e42de20
hex5688960e4

23228670180 has 48 divisors (see below), whose sum is σ = 65050763904. Its totient is φ = 6193313280.

The previous prime is 23228670149. The next prime is 23228670181. The reversal of 23228670180 is 8107682232.

It is a super-2 number, since 2×232286701802 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23228670181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391260 + ... + 446700.

It is an arithmetic number, because the mean of its divisors is an integer number (1355224248).

Almost surely, 223228670180 is an apocalyptic number.

23228670180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23228670180 is an abundant number, since it is smaller than the sum of its proper divisors (41822093724).

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

23228670180 is a wasteful number, since it uses less digits than its factorization.

23228670180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62436 (or 62434 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 23228670180 in words is "twenty-three billion, two hundred twenty-eight million, six hundred seventy thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6983 13966 20949 27932 34915 41898 55441 69830 83796 104745 110882 139660 166323 209490 221764 277205 332646 418980 554410 665292 831615 1108820 1663230 3326460 387144503 774289006 1161433509 1548578012 1935722515 2322867018 3871445030 4645734036 5807167545 7742890060 11614335090 23228670180