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397162242543360 = 28357211497183593
BaseRepresentation
bin101101001001101111000101…
…0011000101000111100000000
31221002020100011112221222212010
41122103132022120220330000
5404024101233042341420
63524405452044132520
7146441011420350600
oct13223361230507400
91832210145858763
10397162242543360
11105603619a100a8
1238664853537140
131407c3147634c8
147010a80018c00
1530db17c1994e0
hex169378a628f00

397162242543360 has 432 divisors, whose sum is σ = 1475665030850976. Its totient is φ = 90771550765056.

The previous prime is 397162242543359. The next prime is 397162242543371. The reversal of 397162242543360 is 63345242261793.

It is a self number, because there is not a number n which added to its sum of digits gives 397162242543360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2163183724 + ... + 2163367316.

It is an arithmetic number, because the mean of its divisors is an integer number (3415891275118).

Almost surely, 2397162242543360 is an apocalyptic number.

397162242543360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397162242543360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737832515425488).

397162242543360 is an abundant number, since it is smaller than the sum of its proper divisors (1078502788307616).

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

397162242543360 is a wasteful number, since it uses less digits than its factorization.

397162242543360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195128 (or 195107 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 57.

The spelling of 397162242543360 in words is "three hundred ninety-seven trillion, one hundred sixty-two billion, two hundred forty-two million, five hundred forty-three thousand, three hundred sixty".