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1300012340 = 225115909147
BaseRepresentation
bin100110101111100…
…1001110100110100
310100121012110200012
41031133021310310
510130300343330
6332555435352
744133631304
oct11537116464
93317173605
101300012340
11607906570
12303455b58
13179440793
14c4925604
15791e3c95
hex4d7c9d34

1300012340 has 24 divisors (see below), whose sum is σ = 2978210592. Its totient is φ = 472731680.

The previous prime is 1300012331. The next prime is 1300012349. The reversal of 1300012340 is 432100031.

It is an interprime number because it is at equal distance from previous prime (1300012331) and next prime (1300012349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300012349) by changing a digit.

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, 2954354 + ... + 2954793.

It is an arithmetic number, because the mean of its divisors is an integer number (124092108).

Almost surely, 21300012340 is an apocalyptic number.

1300012340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300012340 is an abundant number, since it is smaller than the sum of its proper divisors (1678198252).

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

1300012340 is a wasteful number, since it uses less digits than its factorization.

1300012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909167 (or 5909165 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1300012340 is about 36055.6838792443. The cubic root of 1300012340 is about 1091.3963363292.

Adding to 1300012340 its reverse (432100031), we get a palindrome (1732112371).

The spelling of 1300012340 in words is "one billion, three hundred million, twelve thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5909147 11818294 23636588 29545735 59091470 65000617 118182940 130001234 260002468 325003085 650006170 1300012340