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398919093372 = 22336997527897
BaseRepresentation
bin1011100111000010110…
…11100100110001111100
31102010200100122121212000
411303201123210301330
523013441241441442
6503132204342300
740551405226512
oct5634133446174
91363610577760
10398919093372
111441a9479238
1265391244990
132b805714217
14154447d44b2
15a59ba84d4c
hex5ce16e4c7c

398919093372 has 48 divisors (see below), whose sum is σ = 1034384457120. Its totient is φ = 132953774976.

The previous prime is 398919093367. The next prime is 398919093413. The reversal of 398919093372 is 273390919893.

It is a happy number.

398919093372 is a `hidden beast` number, since 3 + 9 + 8 + 91 + 90 + 93 + 372 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491728 + ... + 1019624.

It is an arithmetic number, because the mean of its divisors is an integer number (21549676190).

Almost surely, 2398919093372 is an apocalyptic number.

It is an amenable number.

398919093372 is an abundant number, since it is smaller than the sum of its proper divisors (635465363748).

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

398919093372 is a wasteful number, since it uses less digits than its factorization.

398919093372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534907 (or 534899 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 63.

The spelling of 398919093372 in words is "three hundred ninety-eight billion, nine hundred nineteen million, ninety-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 6997 13994 20991 27988 41982 62973 83964 125946 188919 251892 377838 527897 755676 1055794 1583691 2111588 3167382 4751073 6334764 9502146 14253219 19004292 28506438 57012876 3693695309 7387390618 11081085927 14774781236 22162171854 33243257781 44324343708 66486515562 99729773343 132973031124 199459546686 398919093372