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25480126000 = 245371820009
BaseRepresentation
bin10111101110101110…
…111101111000110000
32102202202100111212101
4113232232331320300
5404140403013000
615412211310144
71561264332430
oct275656757060
972682314771
1025480126000
11a89595987a
124b312ab354
132530b50644
14133a0482c0
159e1e11e6a
hex5eebbde30

25480126000 has 80 divisors (see below), whose sum is σ = 70412546880. Its totient is φ = 8736038400.

The previous prime is 25480125989. The next prime is 25480126013. The reversal of 25480126000 is 62108452.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 25480126000.

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, 896005 + ... + 924004.

It is an arithmetic number, because the mean of its divisors is an integer number (880156836).

Almost surely, 225480126000 is an apocalyptic number.

25480126000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25480126000 is an abundant number, since it is smaller than the sum of its proper divisors (44932420880).

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

25480126000 is a wasteful number, since it uses less digits than its factorization.

25480126000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820039 (or 1820023 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 25480126000 in words is "twenty-five billion, four hundred eighty million, one hundred twenty-six thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 700 875 1000 1400 1750 2000 2800 3500 7000 14000 1820009 3640018 7280036 9100045 12740063 14560072 18200090 25480126 29120144 36400180 45500225 50960252 63700315 72800360 91000450 101920504 127400630 145600720 182000900 203841008 227501125 254801260 318501575 364001800 455002250 509602520 637003150 728003600 910004500 1019205040 1274006300 1592507875 1820009000 2548012600 3185015750 3640018000 5096025200 6370031500 12740063000 25480126000