Search a number
-
+
23533130142 = 2321737557203
BaseRepresentation
bin10101111010101011…
…110001000110011110
32020202001201212122200
4111322223301012132
5341143440131032
614451100352330
71462113206604
oct257253610636
966661655580
1023533130142
119a86924a95
1246892456a6
1322b0673ba2
1411d3629874
1592b01e47c
hex57aaf119e

23533130142 has 24 divisors (see below), whose sum is σ = 51283186344. Its totient is φ = 7799032464.

The previous prime is 23533130113. The next prime is 23533130191. The reversal of 23533130142 is 24103133532.

23533130142 is a `hidden beast` number, since 2 + 353 + 3 + 1 + 301 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3775488 + ... + 3781715.

It is an arithmetic number, because the mean of its divisors is an integer number (2136799431).

Almost surely, 223533130142 is an apocalyptic number.

23533130142 is an abundant number, since it is smaller than the sum of its proper divisors (27750056202).

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

23533130142 is a wasteful number, since it uses less digits than its factorization.

23533130142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557384 (or 7557381 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 23533130142 its reverse (24103133532), we get a palindrome (47636263674).

The spelling of 23533130142 in words is "twenty-three billion, five hundred thirty-three million, one hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 173 346 519 1038 1557 3114 7557203 15114406 22671609 45343218 68014827 136029654 1307396119 2614792238 3922188357 7844376714 11766565071 23533130142