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1310113240 = 235259112641
BaseRepresentation
bin100111000010110…
…1011110111011000
310101022012122111121
41032011223313120
510140342110430
6334000135024
744315531062
oct11605536730
93338178447
101310113240
11612585517
12306907474
1317b569247
14c5dd4732
157a03ba7a
hex4e16bdd8

1310113240 has 32 divisors (see below), whose sum is σ = 2949125760. Its totient is φ = 523801600.

The previous prime is 1310113223. The next prime is 1310113253. The reversal of 1310113240 is 423110131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97320 + ... + 109960.

It is an arithmetic number, because the mean of its divisors is an integer number (92160180).

Almost surely, 21310113240 is an apocalyptic number.

1310113240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310113240 is an abundant number, since it is smaller than the sum of its proper divisors (1639012520).

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

1310113240 is a wasteful number, since it uses less digits than its factorization.

1310113240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15243 (or 15239 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1310113240 is about 36195.4864589495. The cubic root of 1310113240 is about 1094.2157085510.

Adding to 1310113240 its reverse (423110131), we get a palindrome (1733223371).

The spelling of 1310113240 in words is "one billion, three hundred ten million, one hundred thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2591 5182 10364 12641 12955 20728 25282 25910 50564 51820 63205 101128 103640 126410 252820 505640 32752831 65505662 131011324 163764155 262022648 327528310 655056620 1310113240