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25530153000 = 23353112531327
BaseRepresentation
bin10111110001101101…
…110011100000101000
32102220020111011000020
4113301231303200220
5404241204344000
615421155440440
71562442501642
oct276155634050
972806434006
1025530153000
11a911118900
124b45bb6120
13253b318111
14134294b892
159e64e4ba0
hex5f1b73828

25530153000 has 384 divisors, whose sum is σ = 89272834560. Its totient is φ = 6067776000.

The previous prime is 25530152981. The next prime is 25530153043. The reversal of 25530153000 is 35103552.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19238337 + ... + 19239663.

It is an arithmetic number, because the mean of its divisors is an integer number (232481340).

Almost surely, 225530153000 is an apocalyptic number.

25530153000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25530153000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44636417280).

25530153000 is an abundant number, since it is smaller than the sum of its proper divisors (63742681560).

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

25530153000 is a wasteful number, since it uses less digits than its factorization.

25530153000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

Adding to 25530153000 its reverse (35103552), we get a palindrome (25565256552).

The spelling of 25530153000 in words is "twenty-five billion, five hundred thirty million, one hundred fifty-three thousand".