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130140340 = 22511253777
BaseRepresentation
bin1111100000111…
…00100010110100
3100001212210222121
413300130202310
5231303442330
620525205324
73140113621
oct760344264
9301783877
10130140340
1167508400
1237700844
1320c67625
14133d9348
15b65a17a
hex7c1c8b4

130140340 has 36 divisors (see below), whose sum is σ = 300403908. Its totient is φ = 47322880.

The previous prime is 130140319. The next prime is 130140349. The reversal of 130140340 is 43041031.

It can be written as a sum of positive squares in 2 ways, for example, as 19554084 + 110586256 = 4422^2 + 10516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130140349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24469 + ... + 29308.

It is an arithmetic number, because the mean of its divisors is an integer number (8344553).

Almost surely, 2130140340 is an apocalyptic number.

130140340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130140340 is an abundant number, since it is smaller than the sum of its proper divisors (170263568).

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

130140340 is a wasteful number, since it uses less digits than its factorization.

130140340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53808 (or 53795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 130140340 is about 11407.9069070535. The cubic root of 130140340 is about 506.7619271101.

Adding to 130140340 its reverse (43041031), we get a palindrome (173181371).

The spelling of 130140340 in words is "one hundred thirty million, one hundred forty thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 53777 107554 215108 268885 537770 591547 1075540 1183094 2366188 2957735 5915470 6507017 11830940 13014034 26028068 32535085 65070170 130140340