Base | Representation |
---|---|
bin | 10010110001000111… |
… | …101110010010100000 |
3 | 1221000101112021201022 |
4 | 102301013232102200 |
5 | 312232233223044 |
6 | 13131335425012 |
7 | 1312241410142 |
oct | 226107562240 |
9 | 57011467638 |
10 | 20151461024 |
11 | 8600a79a22 |
12 | 3aa4825168 |
13 | 1b91b98846 |
14 | d92470c92 |
15 | 7ce1d83ee |
hex | 4b11ee4a0 |
20151461024 has 48 divisors (see below), whose sum is σ = 39880512000. Its totient is φ = 10023224064.
The previous prime is 20151461023. The next prime is 20151461027. The reversal of 20151461024 is 42016415102.
It is a super-2 number, since 2×201514610242 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20151460984 and 20151461002.
It is not an unprimeable number, because it can be changed into a prime (20151461023) 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, 5347589 + ... + 5351355.
It is an arithmetic number, because the mean of its divisors is an integer number (830844000).
Almost surely, 220151461024 is an apocalyptic number.
It is an amenable number.
20151461024 is a deficient number, since it is larger than the sum of its proper divisors (19729050976).
20151461024 is a wasteful number, since it uses less digits than its factorization.
20151461024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4605 (or 4597 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 20151461024 its reverse (42016415102), we get a palindrome (62167876126).
The spelling of 20151461024 in words is "twenty billion, one hundred fifty-one million, four hundred sixty-one thousand, twenty-four".
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