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20100141230 = 25131935323053
BaseRepresentation
bin10010101110000011…
…111101000010101110
31220212210221222012012
4102232003331002232
5312131114004410
613122303441222
71311046244561
oct225603750256
956783858165
1020100141230
118585007674
123a8b5b6212
131b8436a7c0
14d897124d8
157c994c605
hex4ae0fd0ae

20100141230 has 64 divisors (see below), whose sum is σ = 41132024640. Its totient is φ = 7010758656.

The previous prime is 20100141223. The next prime is 20100141239. The reversal of 20100141230 is 3214100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100141239) 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, 860384 + ... + 883436.

It is an arithmetic number, because the mean of its divisors is an integer number (642687885).

Almost surely, 220100141230 is an apocalyptic number.

20100141230 is an abundant number, since it is smaller than the sum of its proper divisors (21031883410).

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

20100141230 is a wasteful number, since it uses less digits than its factorization.

20100141230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23445.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20100141230 its reverse (3214100102), we get a palindrome (23314241332).

The spelling of 20100141230 in words is "twenty billion, one hundred million, one hundred forty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 353 494 706 1235 1765 2470 3530 4589 6707 9178 13414 22945 23053 33535 45890 46106 67070 87191 115265 174382 230530 299689 435955 438007 599378 871910 876014 1498445 2190035 2996890 4380070 5694091 8137709 11388182 16275418 28470455 40688545 56940910 81377090 105790217 154616471 211580434 309232942 528951085 773082355 1057902170 1546164710 2010014123 4020028246 10050070615 20100141230