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52398648047840 = 255448097308611
BaseRepresentation
bin10111110101000000000101…
…10011011011100011100000
320212112021001212122012101112
423322200002303123203200
523331444412400012330
6303235335005322452
714015451226421543
oct1372400263334340
9225467055565345
1052398648047840
111577216187a636
125a63261266428
13233122c49a893
14cd217289485a
1560d0209d2795
hex2fa802cdb8e0

52398648047840 has 48 divisors (see below), whose sum is σ = 123794585606160. Its totient is φ = 20958988600320.

The previous prime is 52398648047813. The next prime is 52398648047849. The reversal of 52398648047840 is 4874084689325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52398648047849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515135 + ... + 10823745.

It is an arithmetic number, because the mean of its divisors is an integer number (2579053866795).

Almost surely, 252398648047840 is an apocalyptic number.

It is an amenable number.

52398648047840 is an abundant number, since it is smaller than the sum of its proper divisors (71395937558320).

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

52398648047840 is a wasteful number, since it uses less digits than its factorization.

52398648047840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353435 (or 7353427 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 68.

The spelling of 52398648047840 in words is "fifty-two trillion, three hundred ninety-eight billion, six hundred forty-eight million, forty-seven thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 44809 89618 179236 224045 358472 448090 716944 896180 1433888 1792360 3584720 7169440 7308611 14617222 29234444 36543055 58468888 73086110 116937776 146172220 233875552 292344440 584688880 1169377760 327491550299 654983100598 1309966201196 1637457751495 2619932402392 3274915502990 5239864804784 6549831005980 10479729609568 13099662011960 26199324023920 52398648047840