Search a number
-
+
20260531123100 = 2252316535655201
BaseRepresentation
bin1001001101101010001011…
…10000101011001110011100
32122201212222020201211211022
410212311011300223032130
510123422031431414400
6111031320504143312
74160526564024302
oct446650560531634
978655866654738
1020260531123100
11650149669aa04
122332762a67b38
13b3c7380c13c8
1450088756a272
152520524c2b85
hex126d45c2b39c

20260531123100 has 36 divisors (see below), whose sum is σ = 45383589722688. Its totient is φ = 7842786240000.

The previous prime is 20260531123073. The next prime is 20260531123141. The reversal of 20260531123100 is 132113506202.

It is a happy number.

It is a super-2 number, since 2×202605311231002 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20260531123100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3267824501 + ... + 3267830700.

Almost surely, 220260531123100 is an apocalyptic number.

20260531123100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20260531123100 is an abundant number, since it is smaller than the sum of its proper divisors (25123058599588).

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

20260531123100 is a wasteful number, since it uses less digits than its factorization.

20260531123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535655246 (or 6535655239 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 20260531123100 its reverse (132113506202), we get a palindrome (20392644629302).

The spelling of 20260531123100 in words is "twenty trillion, two hundred sixty billion, five hundred thirty-one million, one hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 6535655201 13071310402 26142620804 32678276005 65356552010 130713104020 163391380025 202605311231 326782760050 405210622462 653565520100 810421244924 1013026556155 2026053112310 4052106224620 5065132780775 10130265561550 20260531123100