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130021502304 = 2531873723113
BaseRepresentation
bin111100100010111100…
…0101010110101100000
3110102121102101200020110
41321011320222311200
54112241001033204
6135421524011320
712252024351201
oct1710570526540
9412542350213
10130021502304
1150161826131
1221247b30b40
13c3514929a5
1464162a55a8
1535aebae889
hex1e45e2ad60

130021502304 has 48 divisors (see below), whose sum is σ = 341489140272. Its totient is φ = 43317301248.

The previous prime is 130021502293. The next prime is 130021502311. The reversal of 130021502304 is 403205120031.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1300215023042 (a number of 23 digits) contains 22 as substring.

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, 181749 + ... + 541364.

It is an arithmetic number, because the mean of its divisors is an integer number (7114357089).

Almost surely, 2130021502304 is an apocalyptic number.

It is an amenable number.

130021502304 is an abundant number, since it is smaller than the sum of its proper divisors (211467637968).

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

130021502304 is a wasteful number, since it uses less digits than its factorization.

130021502304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724999 (or 724991 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 130021502304 its reverse (403205120031), we get a palindrome (533226622335).

The spelling of 130021502304 in words is "one hundred thirty billion, twenty-one million, five hundred two thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1873 3746 5619 7492 11238 14984 22476 29968 44952 59936 89904 179808 723113 1446226 2169339 2892452 4338678 5784904 8677356 11569808 17354712 23139616 34709424 69418848 1354390649 2708781298 4063171947 5417562596 8126343894 10835125192 16252687788 21670250384 32505375576 43340500768 65010751152 130021502304