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10121243130 = 2325283397379
BaseRepresentation
bin10010110110100010…
…11110100111111010
3222010100220102102200
421123101132213322
5131212014240010
64352153211030
7505546101315
oct113321364772
928110812380
1010121243130
1143241a5849
121b65700a76
13c53b5b17b
146c02c397c
153e385bcc0
hex25b45e9fa

10121243130 has 48 divisors (see below), whose sum is σ = 26408285280. Its totient is φ = 2689454304.

The previous prime is 10121243129. The next prime is 10121243141. The reversal of 10121243130 is 3134212101.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173220 + ... + 224159.

It is an arithmetic number, because the mean of its divisors is an integer number (550172610).

Almost surely, 210121243130 is an apocalyptic number.

10121243130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121243130 is an abundant number, since it is smaller than the sum of its proper divisors (16287042150).

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

10121243130 is a wasteful number, since it uses less digits than its factorization.

10121243130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397675 (or 397672 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10121243130 its reverse (3134212101), we get a palindrome (13255455231).

The spelling of 10121243130 in words is "ten billion, one hundred twenty-one million, two hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 283 566 849 1415 1698 2547 2830 4245 5094 8490 12735 25470 397379 794758 1192137 1986895 2384274 3576411 3973790 5960685 7152822 11921370 17882055 35764110 112458257 224916514 337374771 562291285 674749542 1012124313 1124582570 1686873855 2024248626 3373747710 5060621565 10121243130