Search a number
-
+
20101112022100 = 2252271889383407
BaseRepresentation
bin1001001001000001001111…
…01001000100010001010100
32122011122111001120102110011
410210200213221010101110
510113314034134201400
6110430153503410004
74143154203024214
oct444404751042124
978148431512404
1020101112022100
11644a91977986a
1223078918b3904
13b2a6b02c3205
144d6c82c6a244
1524cd21a2d8ba
hex124827a44454

20101112022100 has 72 divisors (see below), whose sum is σ = 43785818306048. Its totient is φ = 8009778441600.

The previous prime is 20101112022077. The next prime is 20101112022113. The reversal of 20101112022100 is 122021110102.

It is a congruent number.

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, 240958597 + ... + 241042003.

Almost surely, 220101112022100 is an apocalyptic number.

20101112022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101112022100 is an abundant number, since it is smaller than the sum of its proper divisors (23684706283948).

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

20101112022100 is a wasteful number, since it uses less digits than its factorization.

20101112022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92585 (or 92578 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101112022100 its reverse (122021110102), we get a palindrome (20223133132202).

The spelling of 20101112022100 in words is "twenty trillion, one hundred one billion, one hundred twelve million, twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 271 542 1084 1355 2710 5420 6775 8893 13550 17786 27100 35572 44465 83407 88930 166814 177860 222325 333628 417035 444650 834070 889300 1668140 2085175 2410003 4170350 4820006 8340700 9640012 12050015 22603297 24100030 45206594 48200060 60250075 90413188 113016485 120500150 226032970 241000300 452065940 565082425 741738451 1130164850 1483476902 2260329700 2966953804 3708692255 7417384510 14834769020 18543461275 37086922550 74173845100 201011120221 402022240442 804044480884 1005055601105 2010111202210 4020222404420 5025278005525 10050556011050 20101112022100