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25625760140 = 22541254312289
BaseRepresentation
bin10111110111011010…
…100001000110001100
32110010220101111100102
4113313122201012030
5404440143311030
615434452550232
71565013236651
oct276732410614
973126344312
1025625760140
11a960089972
124b72022378
1325550812a6
141351517c28
159eeaccc45
hex5f76a118c

25625760140 has 48 divisors (see below), whose sum is σ = 55152800640. Its totient is φ = 9995550720.

The previous prime is 25625760119. The next prime is 25625760151. The reversal of 25625760140 is 4106752652.

It is a junction number, because it is equal to n+sod(n) for n = 25625760094 and 25625760103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079116 + ... + 2091404.

It is an arithmetic number, because the mean of its divisors is an integer number (1149016680).

Almost surely, 225625760140 is an apocalyptic number.

25625760140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25625760140 is an abundant number, since it is smaller than the sum of its proper divisors (29527040500).

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

25625760140 is a wasteful number, since it uses less digits than its factorization.

25625760140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14882 (or 14880 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 25625760140 in words is "twenty-five billion, six hundred twenty-five million, seven hundred sixty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 2543 5086 10172 12289 12715 24578 25430 49156 50860 61445 104263 122890 208526 245780 417052 503849 521315 1007698 1042630 2015396 2085260 2519245 5038490 10076980 31250927 62501854 125003708 156254635 312509270 625018540 1281288007 2562576014 5125152028 6406440035 12812880070 25625760140