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25630700000 = 2555256307
BaseRepresentation
bin10111110111101101…
…010111000111100000
32110011020200110120012
4113313231113013200
5404442424400000
615435150504052
71565103232613
oct276755270740
973136613505
1025630700000
11a9629532a4
124b73805028
1325560c0899
14135204217a
15a00256735
hex5f7b571e0

25630700000 has 72 divisors (see below), whose sum is σ = 63071760024. Its totient is φ = 10252240000.

The previous prime is 25630699999. The next prime is 25630700027. The reversal of 25630700000 is 703652.

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, 28154 + ... + 228153.

It is an arithmetic number, because the mean of its divisors is an integer number (875996667).

Almost surely, 225630700000 is an apocalyptic number.

25630700000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25630700000 is an abundant number, since it is smaller than the sum of its proper divisors (37441060024).

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

25630700000 is an frugal number, since it uses more digits than its factorization.

25630700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256342 (or 256314 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The spelling of 25630700000 in words is "twenty-five billion, six hundred thirty million, seven hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 256307 512614 1025228 1281535 2050456 2563070 4100912 5126140 6407675 8201824 10252280 12815350 20504560 25630700 32038375 41009120 51261400 64076750 102522800 128153500 160191875 205045600 256307000 320383750 512614000 640767500 800959375 1025228000 1281535000 1601918750 2563070000 3203837500 5126140000 6407675000 12815350000 25630700000