Search a number
-
+
1310313025240 = 23572047454673
BaseRepresentation
bin10011000100010100101…
…111100000111011011000
311122021010222010102020221
4103010110233200323120
5132432010113301430
62441541031325424
7163444530642352
oct23042457407330
94567128112227
101310313025240
114657785a774a
12191b45220874
139673c8c323b
14475c31120d2
152413e51657a
hex13114be0ed8

1310313025240 has 32 divisors (see below), whose sum is σ = 2948251711680. Its totient is φ = 524116782592.

The previous prime is 1310313025211. The next prime is 1310313025249. The reversal of 1310313025240 is 425203130131.

It is a happy number.

It is a super-2 number, since 2×13103130252402 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310313025249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654544 + ... + 3109216.

It is an arithmetic number, because the mean of its divisors is an integer number (92132865990).

Almost surely, 21310313025240 is an apocalyptic number.

1310313025240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310313025240 is an abundant number, since it is smaller than the sum of its proper divisors (1637938686440).

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

1310313025240 is a wasteful number, since it uses less digits than its factorization.

1310313025240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526731 (or 526727 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1310313025240 its reverse (425203130131), we get a palindrome (1735516155371).

The spelling of 1310313025240 in words is "one trillion, three hundred ten billion, three hundred thirteen million, twenty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 72047 144094 288188 360235 454673 576376 720470 909346 1440940 1818692 2273365 2881880 3637384 4546730 9093460 18186920 32757825631 65515651262 131031302524 163789128155 262062605048 327578256310 655156512620 1310313025240