Base | Representation |
---|---|
bin | 100111000011100… |
… | …1100000110011100 |
3 | 10101022221200012212 |
4 | 1032013030012130 |
5 | 10140442214140 |
6 | 334012415552 |
7 | 44322062225 |
oct | 11607140634 |
9 | 3338850185 |
10 | 1310507420 |
11 | 612824692 |
12 | 306a775b8 |
13 | 17b6767a1 |
14 | c609824c |
15 | 7a0b8765 |
hex | 4e1cc19c |
1310507420 has 12 divisors (see below), whose sum is σ = 2752065624. Its totient is φ = 524202960.
The previous prime is 1310507413. The next prime is 1310507503. The reversal of 1310507420 is 247050131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32762666 + ... + 32762705.
It is an arithmetic number, because the mean of its divisors is an integer number (229338802).
Almost surely, 21310507420 is an apocalyptic number.
1310507420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1310507420 is an abundant number, since it is smaller than the sum of its proper divisors (1441558204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1310507420 is a wasteful number, since it uses less digits than its factorization.
1310507420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65525380 (or 65525378 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 1310507420 is about 36200.9312034925. The cubic root of 1310507420 is about 1094.3254381745.
Adding to 1310507420 its reverse (247050131), we get a palindrome (1557557551).
The spelling of 1310507420 in words is "one billion, three hundred ten million, five hundred seven thousand, four hundred twenty".
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