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102113004312 = 233211197439133
BaseRepresentation
bin101111100011001101…
…0001100101100011000
3100202120102122002020200
41133012122030230120
53133111412114222
6114524324022200
710243312133634
oct1370632145430
9322512562220
10102113004312
113a340146560
1217959531960
139824501757
144d29933dc4
1529c99beeac
hex17c668cb18

102113004312 has 192 divisors, whose sum is σ = 318038572800. Its totient is φ = 29272078080.

The previous prime is 102113004281. The next prime is 102113004317. The reversal of 102113004312 is 213400311201.

102113004312 is a `hidden beast` number, since 102 + 1 + 130 + 0 + 431 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102113004317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11176098 + ... + 11185230.

It is an arithmetic number, because the mean of its divisors is an integer number (1656450900).

Almost surely, 2102113004312 is an apocalyptic number.

102113004312 is a gapful number since it is divisible by the number (12) 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 102113004312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159019286400).

102113004312 is an abundant number, since it is smaller than the sum of its proper divisors (215925568488).

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

102113004312 is a wasteful number, since it uses less digits than its factorization.

102113004312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918 (or 9911 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102113004312 its reverse (213400311201), we get a palindrome (315513315513).

The spelling of 102113004312 in words is "one hundred two billion, one hundred thirteen million, four thousand, three hundred twelve".