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13005635430 = 2352333755931
BaseRepresentation
bin11000001110011001…
…00011111101100110
31020120101101201211010
430013030203331212
5203113420313210
65550311523050
7640202035314
oct140714437546
936511351733
1013005635430
115574384437
12262b689486
1312c35c5a88
148b53d50b4
15511bb6920
hex307323f66

13005635430 has 64 divisors (see below), whose sum is σ = 32667867648. Its totient is φ = 3307476480.

The previous prime is 13005635429. The next prime is 13005635459. The reversal of 13005635430 is 3453650031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204565 + ... + 260495.

It is an arithmetic number, because the mean of its divisors is an integer number (510435432).

Almost surely, 213005635430 is an apocalyptic number.

13005635430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13005635430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16333933824).

13005635430 is an abundant number, since it is smaller than the sum of its proper divisors (19662232218).

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

13005635430 is a wasteful number, since it uses less digits than its factorization.

13005635430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56301.

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 13005635430 in words is "thirteen billion, five million, six hundred thirty-five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 337 345 674 690 1011 1685 2022 3370 5055 7751 10110 15502 23253 38755 46506 55931 77510 111862 116265 167793 232530 279655 335586 559310 838965 1286413 1677930 2572826 3859239 6432065 7718478 12864130 18848747 19296195 37697494 38592390 56546241 94243735 113092482 188487470 282731205 433521181 565462410 867042362 1300563543 2167605905 2601127086 4335211810 6502817715 13005635430