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52630645680 = 2432573098119
BaseRepresentation
bin110001000001000001…
…111110101110110000
312000211220211211002100
4301001001332232300
51330241421130210
640102253220400
73542144051454
oct610101765660
9160756754070
1052630645680
112035869a098
12a249a91700
134c69a827c2
142793c6c664
1515807ca5c0
hexc4107ebb0

52630645680 has 60 divisors (see below), whose sum is σ = 176751254160. Its totient is φ = 14034838656.

The previous prime is 52630645657. The next prime is 52630645699. The reversal of 52630645680 is 8654603625.

52630645680 is a `hidden beast` number, since 5 + 2 + 630 + 6 + 4 + 5 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36548340 + ... + 36549779.

It is an arithmetic number, because the mean of its divisors is an integer number (2945854236).

Almost surely, 252630645680 is an apocalyptic number.

It is an amenable number.

52630645680 is an abundant number, since it is smaller than the sum of its proper divisors (124120608480).

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

52630645680 is a wasteful number, since it uses less digits than its factorization.

52630645680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73098138 (or 73098129 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 52630645680 in words is "fifty-two billion, six hundred thirty million, six hundred forty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 73098119 146196238 219294357 292392476 365490595 438588714 584784952 657883071 730981190 877177428 1096471785 1169569904 1315766142 1461962380 1754354856 2192943570 2631532284 2923924760 3289415355 3508709712 4385887140 5263064568 5847849520 6578830710 8771774280 10526129136 13157661420 17543548560 26315322840 52630645680