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1300302312 = 23379767979
BaseRepresentation
bin100110110000001…
…0000100111101000
310100121202012102220
41031200100213220
510130334133222
6333005554040
744136246561
oct11540204750
93317665386
101300302312
11607a94411
12303575920
1317951276a
14c499d168
157924eb5c
hex4d8109e8

1300302312 has 32 divisors (see below), whose sum is σ = 3254882400. Its totient is φ = 432883904.

The previous prime is 1300302293. The next prime is 1300302313. The reversal of 1300302312 is 2132030031.

It is a super-2 number, since 2×13003023122 = 3381572205185090688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300302291 and 1300302300.

It is not an unprimeable number, because it can be changed into a prime (1300302313) 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, 14862 + ... + 53117.

It is an arithmetic number, because the mean of its divisors is an integer number (101715075).

Almost surely, 21300302312 is an apocalyptic number.

1300302312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1300302312 is an abundant number, since it is smaller than the sum of its proper divisors (1954580088).

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

1300302312 is a wasteful number, since it uses less digits than its factorization.

1300302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68785 (or 68781 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1300302312 is about 36059.7048240831. The cubic root of 1300302312 is about 1091.4774768029.

Adding to 1300302312 its reverse (2132030031), we get a palindrome (3432332343).

The spelling of 1300302312 in words is "one billion, three hundred million, three hundred two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 797 1594 2391 3188 4782 6376 9564 19128 67979 135958 203937 271916 407874 543832 815748 1631496 54179263 108358526 162537789 216717052 325075578 433434104 650151156 1300302312