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125845807680 = 2633514565487
BaseRepresentation
bin111010100110011111…
…1101010001001000000
3110000211102002102002000
41311030333222021000
54030213011321210
6133451320224000
712043401500325
oct1651477521100
9400742072060
10125845807680
114940974aa3a
122048160b000
13bb37346c78
14613b898b4c
1534182d1ac0
hex1d4cfea240

125845807680 has 112 divisors (see below), whose sum is σ = 443956074240. Its totient is φ = 33558879744.

The previous prime is 125845807651. The next prime is 125845807687. The reversal of 125845807680 is 86708548521.

125845807680 is a `hidden beast` number, since 1 + 2 + 58 + 4 + 580 + 7 + 6 + 8 + 0 = 666.

It is a super-3 number, since 3×1258458076803 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (125845807687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7274104 + ... + 7291383.

It is an arithmetic number, because the mean of its divisors is an integer number (3963893520).

Almost surely, 2125845807680 is an apocalyptic number.

125845807680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125845807680 is an abundant number, since it is smaller than the sum of its proper divisors (318110266560).

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

125845807680 is a wasteful number, since it uses less digits than its factorization.

125845807680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565513 (or 14565497 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 125845807680 in words is "one hundred twenty-five billion, eight hundred forty-five million, eight hundred seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 8640 14565487 29130974 43696461 58261948 72827435 87392922 116523896 131089383 145654870 174785844 218482305 233047792 262178766 291309740 349571688 393268149 436964610 466095584 524357532 582619480 655446915 699143376 786536298 873929220 932191168 1048715064 1165238960 1310893830 1398286752 1573072596 1747858440 1966340745 2097430128 2330477920 2621787660 2796573504 3146145192 3495716880 3932681490 4194860256 4660955840 5243575320 6292290384 6991433760 7865362980 8389720512 10487150640 12584580768 13982867520 15730725960 20974301280 25169161536 31461451920 41948602560 62922903840 125845807680