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130023223020 = 223251216159399
BaseRepresentation
bin111100100010111111…
…1001110111011101100
3110102121112122002121200
41321011333032323230
54112241421114040
6135422024525500
712252045105645
oct1710577167354
9412545562550
10130023223020
11501627a0a09
1221248620890
13c351945c72
1464165d26cc
1535aedee630
hex1e45fceeec

130023223020 has 72 divisors (see below), whose sum is σ = 394442848800. Its totient is φ = 34669424640.

The previous prime is 130023223003. The next prime is 130023223021. The reversal of 130023223020 is 20322320031.

It is a happy number.

130023223020 is a `hidden beast` number, since 130 + 0 + 232 + 2 + 302 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 130023222984 and 130023223002.

It is not an unprimeable number, because it can be changed into a prime (130023223021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2159281 + ... + 2218679.

It is an arithmetic number, because the mean of its divisors is an integer number (5478372900).

Almost surely, 2130023223020 is an apocalyptic number.

130023223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130023223020 is an abundant number, since it is smaller than the sum of its proper divisors (264419625780).

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

130023223020 is a wasteful number, since it uses less digits than its factorization.

130023223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71575 (or 71570 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 130023223020 its reverse (20322320031), we get a palindrome (150345543051).

The spelling of 130023223020 in words is "one hundred thirty billion, twenty-three million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 12161 24322 36483 48644 59399 60805 72966 109449 118798 121610 145932 178197 182415 218898 237596 243220 296995 356394 364830 437796 534591 547245 593990 712788 729660 890985 1069182 1094490 1187980 1781970 2138364 2188980 2672955 3563940 5345910 10691820 722351239 1444702478 2167053717 2889404956 3611756195 4334107434 6501161151 7223512390 8668214868 10835268585 13002322302 14447024780 21670537170 26004644604 32505805755 43341074340 65011611510 130023223020