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13301230020 = 22351335947501
BaseRepresentation
bin11000110001101000…
…01010100111000100
31021022222121111100220
430120310022213010
5204220103330040
610035511304340
7650421406161
oct143064124704
937288544326
1013301230020
115706219a91
1226b267b0b0
13133c910610
1490277d068
1552cb052d0
hex318d0a9c4

13301230020 has 96 divisors (see below), whose sum is σ = 40220893440. Its totient is φ = 3264960000.

The previous prime is 13301230013. The next prime is 13301230021. The reversal of 13301230020 is 2003210331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (13301230021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256270 + ... + 303770.

It is an arithmetic number, because the mean of its divisors is an integer number (418967640).

Almost surely, 213301230020 is an apocalyptic number.

13301230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13301230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20110446720).

13301230020 is an abundant number, since it is smaller than the sum of its proper divisors (26919663420).

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

13301230020 is a wasteful number, since it uses less digits than its factorization.

13301230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47885 (or 47883 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13301230020 its reverse (2003210331), we get a palindrome (15304440351).

The spelling of 13301230020 in words is "thirteen billion, three hundred one million, two hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 359 390 718 780 1077 1436 1795 2154 3590 4308 4667 5385 7180 9334 10770 14001 18668 21540 23335 28002 46670 47501 56004 70005 93340 95002 140010 142503 190004 237505 280020 285006 475010 570012 617513 712515 950020 1235026 1425030 1852539 2470052 2850060 3087565 3705078 6175130 7410156 9262695 12350260 17052859 18525390 34105718 37050780 51158577 68211436 85264295 102317154 170528590 204634308 221687167 255792885 341057180 443374334 511585770 665061501 886748668 1023171540 1108435835 1330123002 2216871670 2660246004 3325307505 4433743340 6650615010 13301230020