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1303230012 = 223729352951
BaseRepresentation
bin100110110101101…
…1011011000111100
310100211020221111020
41031223123120330
510132111330022
6333152424140
744203162260
oct11553333074
93324227436
101303230012
11609703aa7
12304548050
13179cc9226
14c51220a0
157962c35c
hex4dadb63c

1303230012 has 48 divisors (see below), whose sum is σ = 3487206912. Its totient is φ = 371073600.

The previous prime is 1303230011. The next prime is 1303230037. The reversal of 1303230012 is 2100323031.

It is a junction number, because it is equal to n+sod(n) for n = 1303229973 and 1303230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303230011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1864 + ... + 51087.

It is an arithmetic number, because the mean of its divisors is an integer number (72650144).

Almost surely, 21303230012 is an apocalyptic number.

1303230012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303230012 is an abundant number, since it is smaller than the sum of its proper divisors (2183976900).

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

1303230012 is a wasteful number, since it uses less digits than its factorization.

1303230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53258 (or 53256 counting only the distinct ones).

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

The square root of 1303230012 is about 36100.2771734512. The cubic root of 1303230012 is about 1092.2960360157.

Adding to 1303230012 its reverse (2100323031), we get a palindrome (3403553043).

The spelling of 1303230012 in words is "one billion, three hundred three million, two hundred thirty thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 293 586 879 1172 1758 2051 3516 4102 6153 8204 12306 24612 52951 105902 158853 211804 317706 370657 635412 741314 1111971 1482628 2223942 4447884 15514643 31029286 46543929 62058572 93087858 108602501 186175716 217205002 325807503 434410004 651615006 1303230012