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25212323000 = 235325212323
BaseRepresentation
bin10111011110110001…
…011000010010111000
32102002002102201012202
4113132301120102320
5403113323314000
615325443325332
71551533131604
oct273661302270
972062381182
1025212323000
11a768776487
124a77680848
1324ba516827
141312656504
159c8662dd5
hex5dec584b8

25212323000 has 32 divisors (see below), whose sum is σ = 58996838160. Its totient is φ = 10084928800.

The previous prime is 25212322979. The next prime is 25212323027. The reversal of 25212323000 is 32321252.

It is a super-2 number, since 2×252123230002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12605162 + ... + 12607161.

Almost surely, 225212323000 is an apocalyptic number.

25212323000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25212323000 is an abundant number, since it is smaller than the sum of its proper divisors (33784515160).

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

25212323000 is a wasteful number, since it uses less digits than its factorization.

25212323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25212344 (or 25212330 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 25212323000 its reverse (32321252), we get a palindrome (25244644252).

The spelling of 25212323000 in words is "twenty-five billion, two hundred twelve million, three hundred twenty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 25212323 50424646 100849292 126061615 201698584 252123230 504246460 630308075 1008492920 1260616150 2521232300 3151540375 5042464600 6303080750 12606161500 25212323000