Base | Representation |
---|---|
bin | 111010101111110… |
… | …1001100010110000 |
3 | 12002101012220102201 |
4 | 1311133221202300 |
5 | 13014113342041 |
6 | 523334152544 |
7 | 66564120565 |
oct | 16537514260 |
9 | 5071186381 |
10 | 1971230896 |
11 | 921787a48 |
12 | 4701b2754 |
13 | 25551371b |
14 | 149b2a86c |
15 | b80cd631 |
hex | 757e98b0 |
1971230896 has 20 divisors (see below), whose sum is σ = 3858636712. Its totient is φ = 975453696.
The previous prime is 1971230857. The next prime is 1971230909. The reversal of 1971230896 is 6980321791.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633510 + ... + 636613.
Almost surely, 21971230896 is an apocalyptic number.
1971230896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1971230896 is a deficient number, since it is larger than the sum of its proper divisors (1887405816).
1971230896 is a wasteful number, since it uses less digits than its factorization.
1971230896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1270228 (or 1270222 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 46.
The square root of 1971230896 is about 44398.5461023219. The cubic root of 1971230896 is about 1253.8507165513.
The spelling of 1971230896 in words is "one billion, nine hundred seventy-one million, two hundred thirty thousand, eight hundred ninety-six".
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