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1310240137 = 15119344959
BaseRepresentation
bin100111000011000…
…1010110110001001
310101022110002120111
41032012022312021
510140410141022
6334002554321
744316600043
oct11606126611
93338402514
101310240137
11612661898
123069689a1
1317b5b1c2b
14c6028a93
157a064477
hex4e18ad89

1310240137 has 8 divisors (see below), whose sum is σ = 1325780480. Its totient is φ = 1294790400.

The previous prime is 1310240119. The next prime is 1310240147. The reversal of 1310240137 is 7310420131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1310240137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310240147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6664 + ... + 51622.

It is an arithmetic number, because the mean of its divisors is an integer number (165722560).

Almost surely, 21310240137 is an apocalyptic number.

It is an amenable number.

1310240137 is a deficient number, since it is larger than the sum of its proper divisors (15540343).

1310240137 is a wasteful number, since it uses less digits than its factorization.

1310240137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45303.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1310240137 is about 36197.2393560614. The cubic root of 1310240137 is about 1094.2510358300.

Adding to 1310240137 its reverse (7310420131), we get a palindrome (8620660268).

The spelling of 1310240137 in words is "one billion, three hundred ten million, two hundred forty thousand, one hundred thirty-seven".

Divisors: 1 151 193 29143 44959 6788809 8677087 1310240137