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1310213312100 = 223252711171112141
BaseRepresentation
bin10011000100001110110…
…011001000111001100100
311122020220000111110112200
4103010032303020321210
5132431304101441400
62441523110214500
7163442210253450
oct23041663107144
94566800443480
101310213312100
114657272917a0
12191b17954430
1396725050194
14475b3b97660
15241358bbb00
hex1310ecc8e64

1310213312100 has 432 divisors, whose sum is σ = 5421345261696. Its totient is φ = 256237056000.

The previous prime is 1310213312063. The next prime is 1310213312159. The reversal of 1310213312100 is 12133120131.

1310213312100 is a `hidden beast` number, since 1 + 310 + 2 + 1 + 331 + 21 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 622030 + ... + 1734170.

It is an arithmetic number, because the mean of its divisors is an integer number (12549410328).

Almost surely, 21310213312100 is an apocalyptic number.

1310213312100 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 1310213312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710672630848).

1310213312100 is an abundant number, since it is smaller than the sum of its proper divisors (4111131949596).

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

1310213312100 is a wasteful number, since it uses less digits than its factorization.

1310213312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112196 (or 1112186 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1310213312100 its reverse (12133120131), we get a palindrome (1322346432231).

The spelling of 1310213312100 in words is "one trillion, three hundred ten billion, two hundred thirteen million, three hundred twelve thousand, one hundred".