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13103664420 = 223571123127971
BaseRepresentation
bin11000011010000101…
…00000110100100100
31020211012212010022110
430031002200310210
5203314014230140
610004133001020
7642502211160
oct141502406444
936735763273
1013103664420
11561474a030
122658483170
13130a9c93b2
148c4431ca0
1551a5cc380
hex30d0a0d24

13103664420 has 384 divisors, whose sum is σ = 48157949952. Its totient is φ = 2581286400.

The previous prime is 13103664407. The next prime is 13103664433. The reversal of 13103664420 is 2446630131.

It is an interprime number because it is at equal distance from previous prime (13103664407) and next prime (13103664433).

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13494535 + ... + 13495505.

It is an arithmetic number, because the mean of its divisors is an integer number (125411328).

Almost surely, 213103664420 is an apocalyptic number.

13103664420 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 13103664420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24078974976).

13103664420 is an abundant number, since it is smaller than the sum of its proper divisors (35054285532).

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

13103664420 is a wasteful number, since it uses less digits than its factorization.

13103664420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 13103664420 in words is "thirteen billion, one hundred three million, six hundred sixty-four thousand, four hundred twenty".