Search a number
-
+
23095072020 = 2235384917867
BaseRepresentation
bin10101100000100100…
…101101010100010100
32012121112110012212210
4111200210231110110
5334244314301040
614335411313420
71445213605326
oct254044552424
965545405783
1023095072020
119881625489
1245865ab870
1322409988b7
141191399616
1590283e480
hex56092d514

23095072020 has 24 divisors (see below), whose sum is σ = 64666201824. Its totient is φ = 6158685856.

The previous prime is 23095072019. The next prime is 23095072061. The reversal of 23095072020 is 2027059032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192458874 + ... + 192458993.

It is an arithmetic number, because the mean of its divisors is an integer number (2694425076).

Almost surely, 223095072020 is an apocalyptic number.

23095072020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23095072020 is an abundant number, since it is smaller than the sum of its proper divisors (41571129804).

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

23095072020 is a wasteful number, since it uses less digits than its factorization.

23095072020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384917879 (or 384917877 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 23095072020 in words is "twenty-three billion, ninety-five million, seventy-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 384917867 769835734 1154753601 1539671468 1924589335 2309507202 3849178670 4619014404 5773768005 7698357340 11547536010 23095072020