Base | Representation |
---|---|
bin | 110111111111001010… |
… | …0110111011111000001 |
3 | 102111100002211121221001 |
4 | 1233332110313133001 |
5 | 3432213114000001 |
6 | 131122223332001 |
7 | 11454302431540 |
oct | 1577624673701 |
9 | 374302747831 |
10 | 120231000001 |
11 | 46a982a0912 |
12 | 1b375151001 |
13 | b451006868 |
14 | 5b67cb8157 |
15 | 31da3d5001 |
hex | 1bfe5377c1 |
120231000001 has 8 divisors (see below), whose sum is σ = 140330407680. Its totient is φ = 100862479968.
The previous prime is 120230999989. The next prime is 120231000013. The reversal of 120231000001 is 100000132021.
It is an interprime number because it is at equal distance from previous prime (120230999989) and next prime (120231000013).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120231000001 - 25 = 120230999969 is a prime.
It is a super-2 number, since 2×1202310000012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120231000031) 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, 182721556 + ... + 182722213.
It is an arithmetic number, because the mean of its divisors is an integer number (17541300960).
Almost surely, 2120231000001 is an apocalyptic number.
It is an amenable number.
120231000001 is a deficient number, since it is larger than the sum of its proper divisors (20099407679).
120231000001 is an equidigital number, since it uses as much as digits as its factorization.
120231000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365443823.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 120231000001 its reverse (100000132021), we get a palindrome (220231132022).
The spelling of 120231000001 in words is "one hundred twenty billion, two hundred thirty-one million, one", and thus it is an aban number.
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