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130321021300 = 225210911956057
BaseRepresentation
bin111100101011110111…
…1001111100101110100
3110110101021222211001121
41321113233033211310
54113344140140200
6135511343433324
712262322255341
oct1712757174564
9413337884047
10130321021300
11502a5901198
12213102b5844
13c39b552872
146443d917c8
1535cb125e1a
hex1e57bcf974

130321021300 has 36 divisors (see below), whose sum is σ = 285391104460. Its totient is φ = 51650161920.

The previous prime is 130321021283. The next prime is 130321021307. The reversal of 130321021300 is 3120123031.

It can be written as a sum of positive squares in 6 ways, for example, as 10623012624 + 119698008676 = 103068^2 + 345974^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130321021307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5967129 + ... + 5988928.

Almost surely, 2130321021300 is an apocalyptic number.

130321021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130321021300 is an abundant number, since it is smaller than the sum of its proper divisors (155070083160).

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

130321021300 is a wasteful number, since it uses less digits than its factorization.

130321021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956180 (or 11956173 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 130321021300 its reverse (3120123031), we get a palindrome (133441144331).

The spelling of 130321021300 in words is "one hundred thirty billion, three hundred twenty-one million, twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 109 218 436 545 1090 2180 2725 5450 10900 11956057 23912114 47824228 59780285 119560570 239121140 298901425 597802850 1195605700 1303210213 2606420426 5212840852 6516051065 13032102130 26064204260 32580255325 65160510650 130321021300