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10013320231320 = 23357191195352489
BaseRepresentation
bin1001000110110110100001…
…1001010011100110011000
31022110021010111121010002010
42101231220121103212120
52303024234434400240
633144020015505520
72052303260423040
oct221555031234630
938407114533063
1010013320231320
113210697250a5a
1211587948282a0
1357833798c7c3
1426890c216720
1512570954d280
hex91b68653998

10013320231320 has 256 divisors, whose sum is σ = 36142010496000. Its totient is φ = 2168075206656.

The previous prime is 10013320231319. The next prime is 10013320231361. The reversal of 10013320231320 is 2313202331001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190743636 + ... + 190796124.

It is an arithmetic number, because the mean of its divisors is an integer number (141179728500).

Almost surely, 210013320231320 is an apocalyptic number.

10013320231320 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 10013320231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18071005248000).

10013320231320 is an abundant number, since it is smaller than the sum of its proper divisors (26128690264680).

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

10013320231320 is a wasteful number, since it uses less digits than its factorization.

10013320231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64482 (or 64478 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 10013320231320 its reverse (2313202331001), we get a palindrome (12326522562321).

The spelling of 10013320231320 in words is "ten trillion, thirteen billion, three hundred twenty million, two hundred thirty-one thousand, three hundred twenty".