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1398830310860 = 225194189783717
BaseRepresentation
bin10100010110110000110…
…010001010010111001100
311221201121220000102121212
4110112300302022113030
5140404301024421420
62550340324113552
7203030214313433
oct24266062122714
94851556012555
101398830310860
1149a271274554
121a71295358b8
13a1ba8496018
144b9bd12a11a
15265c06103c5
hex145b0c8a5cc

1398830310860 has 48 divisors (see below), whose sum is σ = 3167569571040. Its totient is φ = 517154204160.

The previous prime is 1398830310859. The next prime is 1398830310863. The reversal of 1398830310860 is 680130388931.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1398830310799 and 1398830310808.

It is not an unprimeable number, because it can be changed into a prime (1398830310863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44876279 + ... + 44907438.

It is an arithmetic number, because the mean of its divisors is an integer number (65991032730).

Almost surely, 21398830310860 is an apocalyptic number.

1398830310860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1398830310860 is an abundant number, since it is smaller than the sum of its proper divisors (1768739260180).

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

1398830310860 is a wasteful number, since it uses less digits than its factorization.

1398830310860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89783786 (or 89783784 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 1398830310860 in words is "one trillion, three hundred ninety-eight billion, eight hundred thirty million, three hundred ten thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 41 76 82 95 164 190 205 380 410 779 820 1558 3116 3895 7790 15580 89783717 179567434 359134868 448918585 897837170 1705890623 1795674340 3411781246 3681132397 6823562492 7362264794 8529453115 14724529588 17058906230 18405661985 34117812460 36811323970 69941515543 73622647940 139883031086 279766062172 349707577715 699415155430 1398830310860