Base | Representation |
---|---|
bin | 100101111010101001… |
… | …110100111101000011 |
3 | 10220002022201211011100 |
4 | 211322221310331003 |
5 | 1131334344201234 |
6 | 30411505545443 |
7 | 2640615314340 |
oct | 457251647503 |
9 | 126068654140 |
10 | 40712490819 |
11 | 162a2159a30 |
12 | 7a82645283 |
13 | 3aba876170 |
14 | 1d830777c7 |
15 | 10d4325399 |
hex | 97aa74f43 |
40712490819 has 96 divisors (see below), whose sum is σ = 79357824000. Its totient is φ = 19423514880.
The previous prime is 40712490809. The next prime is 40712490893. The reversal of 40712490819 is 91809421704.
It is a happy number.
It is not a de Polignac number, because 40712490819 - 213 = 40712482627 is a prime.
It is a super-2 number, since 2×407124908192 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (40712490809) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1781437 + ... + 1804145.
It is an arithmetic number, because the mean of its divisors is an integer number (826644000).
Almost surely, 240712490819 is an apocalyptic number.
40712490819 is a deficient number, since it is larger than the sum of its proper divisors (38645333181).
40712490819 is a wasteful number, since it uses less digits than its factorization.
40712490819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22945 (or 22942 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The spelling of 40712490819 in words is "forty billion, seven hundred twelve million, four hundred ninety thousand, eight hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •