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1310001023100 = 22352711191296911
BaseRepresentation
bin10011000100000010001…
…001010100100001111100
311122020100020001001210010
4103010002021110201330
5132430340230214400
62441450044143220
7163434021654210
oct23040211244174
94566306031703
101310001023100
11465628475940
12191a78837b10
13966c00824a3
14475938d6940
1524121e36450
hex1310225487c

1310001023100 has 288 divisors, whose sum is σ = 4750287962112. Its totient is φ = 270781920000.

The previous prime is 1310001023081. The next prime is 1310001023101. The reversal of 1310001023100 is 13201000131.

It is a super-2 number, since 2×13100010231002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310001023101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4263645 + ... + 4560555.

It is an arithmetic number, because the mean of its divisors is an integer number (16494055424).

Almost surely, 21310001023100 is an apocalyptic number.

1310001023100 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 1310001023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2375143981056).

1310001023100 is an abundant number, since it is smaller than the sum of its proper divisors (3440286939012).

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

1310001023100 is a wasteful number, since it uses less digits than its factorization.

1310001023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297137 (or 297130 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1310001023100 its reverse (13201000131), we get a palindrome (1323202023231).

The spelling of 1310001023100 in words is "one trillion, three hundred ten billion, one million, twenty-three thousand, one hundred".