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13093123500 = 223453379853
BaseRepresentation
bin11000011000110100…
…10011010110101100
31020210111000120220000
430030122103112230
5203303314423000
610003115024300
7642313466502
oct141432232654
936714016800
1013093123500
1156097aa526
122654a3b090
131308778572
148c2c8a672
155196e9000
hex30c6935ac

13093123500 has 240 divisors, whose sum is σ = 42879476640. Its totient is φ = 3478204800.

The previous prime is 13093123481. The next prime is 13093123517. The reversal of 13093123500 is 532139031.

It is a happy number.

13093123500 is a `hidden beast` number, since 1 + 30 + 9 + 3 + 123 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15349074 + ... + 15349926.

It is an arithmetic number, because the mean of its divisors is an integer number (178664486).

Almost surely, 213093123500 is an apocalyptic number.

13093123500 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 13093123500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21439738320).

13093123500 is an abundant number, since it is smaller than the sum of its proper divisors (29786353140).

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

13093123500 is a wasteful number, since it uses less digits than its factorization.

13093123500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The spelling of 13093123500 in words is "thirteen billion, ninety-three million, one hundred twenty-three thousand, five hundred".