Base | Representation |
---|---|
bin | 111110001001101… |
… | …010000100000100 |
3 | 2200200001121112111 |
4 | 332021222010010 |
5 | 4113414001410 |
6 | 251245030404 |
7 | 34560652012 |
oct | 7611520404 |
9 | 2620047474 |
10 | 1042718980 |
11 | 495651226 |
12 | 251255404 |
13 | 1380464a4 |
14 | 9c6ab8b2 |
15 | 6181db8a |
hex | 3e26a104 |
1042718980 has 24 divisors (see below), whose sum is σ = 2193934680. Its totient is φ = 416282880.
The previous prime is 1042718969. The next prime is 1042718981. The reversal of 1042718980 is 898172401.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 160985344 + 881733636 = 12688^2 + 29694^2 .
It is not an unprimeable number, because it can be changed into a prime (1042718981) 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, 39615 + ... + 60454.
It is an arithmetic number, because the mean of its divisors is an integer number (91413945).
Almost surely, 21042718980 is an apocalyptic number.
1042718980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1042718980 is an abundant number, since it is smaller than the sum of its proper divisors (1151215700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042718980 is a wasteful number, since it uses less digits than its factorization.
1042718980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100599 (or 100597 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 40.
The square root of 1042718980 is about 32291.1594712856. The cubic root of 1042718980 is about 1014.0415714328.
The spelling of 1042718980 in words is "one billion, forty-two million, seven hundred eighteen thousand, nine hundred eighty".
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