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1310252120445 = 35359243315157
BaseRepresentation
bin10011000100010001000…
…111001011100101111101
311122020222201112010120210
4103010101013023211331
5132431344020323240
62441531014103033
7163443161156352
oct23042107134575
94566881463523
101310252120445
11465747189004
12191b2894aa79
13967300ba4b8
14475b8dba629
1524138ed5780
hex131111cb97d

1310252120445 has 16 divisors (see below), whose sum is σ = 2102242965120. Its totient is φ = 696854606784.

The previous prime is 1310252120381. The next prime is 1310252120491. The reversal of 1310252120445 is 5440212520131.

It is not a de Polignac number, because 1310252120445 - 26 = 1310252120381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121652194 + ... + 121662963.

It is an arithmetic number, because the mean of its divisors is an integer number (131390185320).

Almost surely, 21310252120445 is an apocalyptic number.

1310252120445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1310252120445 is a deficient number, since it is larger than the sum of its proper divisors (791990844675).

1310252120445 is a wasteful number, since it uses less digits than its factorization.

1310252120445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243315524.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1310252120445 its reverse (5440212520131), we get a palindrome (6750464640576).

The spelling of 1310252120445 in words is "one trillion, three hundred ten billion, two hundred fifty-two million, one hundred twenty thousand, four hundred forty-five".

Divisors: 1 3 5 15 359 1077 1795 5385 243315157 729945471 1216575785 3649727355 87350141363 262050424089 436750706815 1310252120445