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25026142240 = 2551114219399
BaseRepresentation
bin10111010011101011…
…001010000000100000
32101121010002202020001
4113103223022000200
5402223143022430
615255153025344
71544112461551
oct272353120040
971533082201
1025026142240
11a682672090
124a25255254
13248aa8a5b8
1412d5a30328
159b71383ca
hex5d3aca020

25026142240 has 48 divisors (see below), whose sum is σ = 64499198400. Its totient is φ = 9100414720.

The previous prime is 25026142189. The next prime is 25026142259. The reversal of 25026142240 is 4224162052.

It is a junction number, because it is equal to n+sod(n) for n = 25026142199 and 25026142208.

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, 7107940 + ... + 7111459.

It is an arithmetic number, because the mean of its divisors is an integer number (1343733300).

Almost surely, 225026142240 is an apocalyptic number.

25026142240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25026142240 is an abundant number, since it is smaller than the sum of its proper divisors (39473056160).

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

25026142240 is a wasteful number, since it uses less digits than its factorization.

25026142240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14219425 (or 14219417 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 25026142240 in words is "twenty-five billion, twenty-six million, one hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 14219399 28438798 56877596 71096995 113755192 142193990 156413389 227510384 284387980 312826778 455020768 568775960 625653556 782066945 1137551920 1251307112 1564133890 2275103840 2502614224 3128267780 5005228448 6256535560 12513071120 25026142240