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672102256100 = 225211255545641
BaseRepresentation
bin10011100011111000110…
…10101000110111100100
32101020210221222011120212
421301330122220313210
542002431134143400
61232432015514552
766362214626132
oct11617432506744
92336727864525
10672102256100
1123a045224800
12aa311828a58
134b4c07a2882
142475c172752
1512739cde335
hex9c7c6a8de4

672102256100 has 54 divisors (see below), whose sum is σ = 1603102773762. Its totient is φ = 244400816000.

The previous prime is 672102256097. The next prime is 672102256121. The reversal of 672102256100 is 1652201276.

It can be written as a sum of positive squares in 3 ways, for example, as 144003552484 + 528098703616 = 379478^2 + 726704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27760721 + ... + 27784920.

It is an arithmetic number, because the mean of its divisors is an integer number (29687088403).

Almost surely, 2672102256100 is an apocalyptic number.

It is an amenable number.

672102256100 is an abundant number, since it is smaller than the sum of its proper divisors (931000517662).

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

672102256100 is a wasteful number, since it uses less digits than its factorization.

672102256100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55545677 (or 55545659 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 672102256100 its reverse (1652201276), we get a palindrome (673754457376).

The spelling of 672102256100 in words is "six hundred seventy-two billion, one hundred two million, two hundred fifty-six thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2420 3025 6050 12100 55545641 111091282 222182564 277728205 555456410 611002051 1110912820 1222004102 1388641025 2444008204 2777282050 3055010255 5554564100 6110020510 6721022561 12220041020 13442045122 15275051275 26884090244 30550102550 33605112805 61100205100 67210225610 134420451220 168025564025 336051128050 672102256100