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13020240400230 = 23574125126922397
BaseRepresentation
bin1011110101111000001011…
…0011011100111101100110
31201002201111221101101122110
42331132002303130331212
53201310423020301410
643405225454341450
72512452460225530
oct275360263347546
951081457341573
1013020240400230
11416a9422a5a98
1215634b01ba886
13735a5a0c40bb
1433027c208850
15178a4658c720
hexbd782cdcf66

13020240400230 has 256 divisors, whose sum is σ = 36867638384640. Its totient is φ = 2881021440000.

The previous prime is 13020240400177. The next prime is 13020240400283. The reversal of 13020240400230 is 3200404202031.

It is an interprime number because it is at equal distance from previous prime (13020240400177) and next prime (13020240400283).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13020240400197 and 13020240400206.

It is a congruent number.

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, 581327392 + ... + 581349788.

It is an arithmetic number, because the mean of its divisors is an integer number (144014212440).

Almost surely, 213020240400230 is an apocalyptic number.

13020240400230 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 13020240400230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18433819192320).

13020240400230 is an abundant number, since it is smaller than the sum of its proper divisors (23847397984410).

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

13020240400230 is a wasteful number, since it uses less digits than its factorization.

13020240400230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 13020240400230 its reverse (3200404202031), we get a palindrome (16220644602261).

The spelling of 13020240400230 in words is "thirteen trillion, twenty billion, two hundred forty million, four hundred thousand, two hundred thirty".