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1300244140 = 225135000939
BaseRepresentation
bin100110110000000…
…0010011010101100
310100121122020122101
41031200002122230
510130330303030
6333004424444
744135615146
oct11540023254
93317566571
101300244140
11607a54738
12303548124
131794c2140
14c4985c96
157923c7ca
hex4d8026ac

1300244140 has 24 divisors (see below), whose sum is σ = 2940552720. Its totient is φ = 480090048.

The previous prime is 1300244137. The next prime is 1300244147. The reversal of 1300244140 is 414420031.

It is not an unprimeable number, because it can be changed into a prime (1300244147) 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, 2500210 + ... + 2500729.

It is an arithmetic number, because the mean of its divisors is an integer number (122523030).

Almost surely, 21300244140 is an apocalyptic number.

1300244140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300244140 is an abundant number, since it is smaller than the sum of its proper divisors (1640308580).

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

1300244140 is a wasteful number, since it uses less digits than its factorization.

1300244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000961 (or 5000959 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1300244140 is about 36058.8982083480. The cubic root of 1300244140 is about 1091.4611999791.

Adding to 1300244140 its reverse (414420031), we get a palindrome (1714664171).

The spelling of 1300244140 in words is "one billion, three hundred million, two hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 5000939 10001878 20003756 25004695 50009390 65012207 100018780 130024414 260048828 325061035 650122070 1300244140