Base | Representation |
---|---|
bin | 100111000010101… |
… | …1010001110010100 |
3 | 10101022001222101022 |
4 | 1032011122032110 |
5 | 10140332302410 |
6 | 333554420312 |
7 | 44315110313 |
oct | 11605321624 |
9 | 3338058338 |
10 | 1310040980 |
11 | 6125361a6 |
12 | 306891698 |
13 | 17b5423a1 |
14 | c5db627a |
15 | 7a025455 |
hex | 4e15a394 |
1310040980 has 12 divisors (see below), whose sum is σ = 2751086100. Its totient is φ = 524016384.
The previous prime is 1310040971. The next prime is 1310040989. The reversal of 1310040980 is 890400131.
It is an interprime number because it is at equal distance from previous prime (1310040971) and next prime (1310040989).
It can be written as a sum of positive squares in 2 ways, for example, as 465092356 + 844948624 = 21566^2 + 29068^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310040989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32751005 + ... + 32751044.
It is an arithmetic number, because the mean of its divisors is an integer number (229257175).
Almost surely, 21310040980 is an apocalyptic number.
1310040980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1310040980 is an abundant number, since it is smaller than the sum of its proper divisors (1441045120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1310040980 is a wasteful number, since it uses less digits than its factorization.
1310040980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65502058 (or 65502056 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 1310040980 is about 36194.4882544290. The cubic root of 1310040980 is about 1094.1955908292.
The spelling of 1310040980 in words is "one billion, three hundred ten million, forty thousand, nine hundred eighty".
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