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25240027020 = 223513311043839
BaseRepresentation
bin10111100000011011…
…000011111110001100
32102011000120012222120
4113200123003332030
5403142421331040
615332313212540
71552320455415
oct274033037614
972130505876
1025240027020
11a78237896a
124a84a01150
1324c3196740
1413161c880c
159cacd67d0
hex5e06c3f8c

25240027020 has 96 divisors (see below), whose sum is σ = 78563573760. Its totient is φ = 6012506880.

The previous prime is 25240026979. The next prime is 25240027031. The reversal of 25240027020 is 2072004252.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497740 + ... + 546099.

It is an arithmetic number, because the mean of its divisors is an integer number (818370560).

Almost surely, 225240027020 is an apocalyptic number.

25240027020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25240027020 is an abundant number, since it is smaller than the sum of its proper divisors (53323546740).

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

25240027020 is a wasteful number, since it uses less digits than its factorization.

25240027020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043895 (or 1043893 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The spelling of 25240027020 in words is "twenty-five billion, two hundred forty million, twenty-seven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 31 39 52 60 62 65 78 93 124 130 155 156 186 195 260 310 372 390 403 465 620 780 806 930 1209 1612 1860 2015 2418 4030 4836 6045 8060 12090 24180 1043839 2087678 3131517 4175356 5219195 6263034 10438390 12526068 13569907 15657585 20876780 27139814 31315170 32359009 40709721 54279628 62630340 64718018 67849535 81419442 97077027 129436036 135699070 161795045 162838884 194154054 203548605 271398140 323590090 388308108 407097210 420667117 485385135 647180180 814194420 841334234 970770270 1262001351 1682668468 1941540540 2103335585 2524002702 4206671170 5048005404 6310006755 8413342340 12620013510 25240027020