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23130013001320 = 2351013570829541
BaseRepresentation
bin1010100001001011000000…
…01101010110011001101000
310000220012121101010120012001
411100211200031112121220
511012430231312020240
6121105440431300344
74605042166403041
oct520454015263150
9100805541116161
1023130013001320
117408424382a35
12271690267a6b4
13cba1c65bb144
1459d6da2458c8
152a19e865a89a
hex150960356668

23130013001320 has 32 divisors (see below), whose sum is σ = 52093904002920. Its totient is φ = 9242871911680.

The previous prime is 23130013001297. The next prime is 23130013001323. The reversal of 23130013001320 is 2310031003132.

It can be written as a sum of positive squares in 4 ways, for example, as 12017884089124 + 11112128912196 = 3466682^2 + 3333486^2 .

It is a super-3 number, since 3×231300130013203 (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23130013001323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285374251 + ... + 285455290.

Almost surely, 223130013001320 is an apocalyptic number.

23130013001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130013001320 is an abundant number, since it is smaller than the sum of its proper divisors (28963891001600).

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

23130013001320 is a wasteful number, since it uses less digits than its factorization.

23130013001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570830565 (or 570830561 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23130013001320 its reverse (2310031003132), we get a palindrome (25440044004452).

The spelling of 23130013001320 in words is "twenty-three trillion, one hundred thirty billion, thirteen million, one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1013 2026 4052 5065 8104 10130 20260 40520 570829541 1141659082 2283318164 2854147705 4566636328 5708295410 11416590820 22833181640 578250325033 1156500650066 2313001300132 2891251625165 4626002600264 5782503250330 11565006500660 23130013001320