Search a number
-
+
23989245144 = 2335189192629
BaseRepresentation
bin10110010101110111…
…101101010011011000
32021220211222220210220
4112111313231103120
5343112221321034
615004232440040
71506322135134
oct262567552330
967824886726
1023989245144
11a1a0337a37
124795b49020
132354002017
14123803a3c4
159560b9749
hex595ded4d8

23989245144 has 32 divisors (see below), whose sum is σ = 59984982000. Its totient is φ = 7994832512.

The previous prime is 23989245101. The next prime is 23989245197. The reversal of 23989245144 is 44154298932.

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, 28222 + ... + 220850.

Almost surely, 223989245144 is an apocalyptic number.

23989245144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23989245144 is an abundant number, since it is smaller than the sum of its proper divisors (35995736856).

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

23989245144 is a wasteful number, since it uses less digits than its factorization.

23989245144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197827 (or 197823 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 23989245144 in words is "twenty-three billion, nine hundred eighty-nine million, two hundred forty-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 5189 10378 15567 20756 31134 41512 62268 124536 192629 385258 577887 770516 1155774 1541032 2311548 4623096 999551881 1999103762 2998655643 3998207524 5997311286 7996415048 11994622572 23989245144