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1397598130460 = 2257193160128201
BaseRepresentation
bin10100010101100111010…
…101110001000100011100
311221121110000110011212202
4110111213111301010130
5140344240110133320
62550014150151032
7202654533045650
oct24254725610434
94847400404782
101397598130460
11499799789144
121a6a44952478
13a1a401152ac
144b903620a60
152654c369b75
hex1456757111c

1397598130460 has 192 divisors, whose sum is σ = 3650863964160. Its totient is φ = 438566400000.

The previous prime is 1397598130373. The next prime is 1397598130469. The reversal of 1397598130460 is 640318957931.

It is a junction number, because it is equal to n+sod(n) for n = 1397598130396 and 1397598130405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397598130469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49544360 + ... + 49572560.

It is an arithmetic number, because the mean of its divisors is an integer number (19014916480).

Almost surely, 21397598130460 is an apocalyptic number.

1397598130460 is a gapful number since it is divisible by the number (10) 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 1397598130460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1825431982080).

1397598130460 is an abundant number, since it is smaller than the sum of its proper divisors (2253265833700).

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

1397598130460 is a wasteful number, since it uses less digits than its factorization.

1397598130460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28868 (or 28866 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 1397598130460 in words is "one trillion, three hundred ninety-seven billion, five hundred ninety-eight million, one hundred thirty thousand, four hundred sixty".