Base | Representation |
---|---|
bin | 100101010000011111… |
… | …101110111000010111 |
3 | 10211021000211210112002 |
4 | 211100133232320113 |
5 | 1123412312421211 |
6 | 30213402145515 |
7 | 2614236413216 |
oct | 452037567027 |
9 | 124230753462 |
10 | 40005201431 |
11 | 15a69990a48 |
12 | 79057b229b |
13 | 3a07183c30 |
14 | 1d1716307d |
15 | 10921b303b |
hex | 9507eee17 |
40005201431 has 8 divisors (see below), whose sum is σ = 45616791024. Its totient is φ = 34755649920.
The previous prime is 40005201407. The next prime is 40005201433. The reversal of 40005201431 is 13410250004.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-40005201431 is a prime.
It is a super-2 number, since 2×400052014312 (a number of 22 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 (40005201433) 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, 90509285 + ... + 90509726.
It is an arithmetic number, because the mean of its divisors is an integer number (5702098878).
Almost surely, 240005201431 is an apocalyptic number.
40005201431 is a deficient number, since it is larger than the sum of its proper divisors (5611589593).
40005201431 is a wasteful number, since it uses less digits than its factorization.
40005201431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181019041.
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 40005201431 its reverse (13410250004), we get a palindrome (53415451435).
The spelling of 40005201431 in words is "forty billion, five million, two hundred one thousand, four hundred thirty-one".
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