Base | Representation |
---|---|
bin | 10011000000000000… |
… | …000100101110101111 |
3 | 1221122210021222020222 |
4 | 103000000010232233 |
5 | 313240141122111 |
6 | 13212214401555 |
7 | 1321362415364 |
oct | 230000045657 |
9 | 57583258228 |
10 | 20401114031 |
11 | 8719995a21 |
12 | 3b543602bb |
13 | 1c0181930c |
14 | db769a46b |
15 | 7e609e7db |
hex | 4c0004baf |
20401114031 has 8 divisors (see below), whose sum is σ = 20470095744. Its totient is φ = 20332249560.
The previous prime is 20401114021. The next prime is 20401114033. The reversal of 20401114031 is 13041110402.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-20401114031 is a prime.
It is a super-2 number, since 2×204011140312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20401114033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326540 + ... + 383966.
It is an arithmetic number, because the mean of its divisors is an integer number (2558761968).
Almost surely, 220401114031 is an apocalyptic number.
20401114031 is a deficient number, since it is larger than the sum of its proper divisors (68981713).
20401114031 is an equidigital number, since it uses as much as digits as its factorization.
20401114031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58621.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 20401114031 its reverse (13041110402), we get a palindrome (33442224433).
The spelling of 20401114031 in words is "twenty billion, four hundred one million, one hundred fourteen thousand, thirty-one".
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