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23013023130 = 2335471813477
BaseRepresentation
bin10101011011101011…
…101101110110011010
32012101211001200222000
4111123223231312122
5334112313220010
614323320541430
71443166316616
oct253353556632
965354050860
1023013023130
11983a284989
124563021876
13222999ba66
14118451c346
158ea5337c0
hex55baedd9a

23013023130 has 64 divisors (see below), whose sum is σ = 62673799680. Its totient is φ = 6006232512.

The previous prime is 23013023093. The next prime is 23013023161. The reversal of 23013023130 is 3132031032.

23013023130 is a `hidden beast` number, since 2 + 301 + 302 + 31 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894049 + ... + 919428.

It is an arithmetic number, because the mean of its divisors is an integer number (979278120).

Almost surely, 223013023130 is an apocalyptic number.

23013023130 is an abundant number, since it is smaller than the sum of its proper divisors (39660776550).

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

23013023130 is a wasteful number, since it uses less digits than its factorization.

23013023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813540 (or 1813534 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23013023130 its reverse (3132031032), we get a palindrome (26145054162).

The spelling of 23013023130 in words is "twenty-three billion, thirteen million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 47 54 90 94 135 141 235 270 282 423 470 705 846 1269 1410 2115 2538 4230 6345 12690 1813477 3626954 5440431 9067385 10880862 16321293 18134770 27202155 32642586 48963879 54404310 81606465 85233419 97927758 163212930 170466838 244819395 255700257 426167095 489638790 511400514 767100771 852334190 1278501285 1534201542 2301302313 2557002570 3835503855 4602604626 7671007710 11506511565 23013023130