Base | Representation |
---|---|
bin | 101011010110001111100… |
… | …100000010000111001000 |
3 | 101112202212011002201210021 |
4 | 223112033210002013020 |
5 | 342301111124030343 |
6 | 10200241302230224 |
7 | 425132650036300 |
oct | 53261744020710 |
9 | 11482764081707 |
10 | 2978820923848 |
11 | a49346832360 |
12 | 401395125374 |
13 | 187b94aa8893 |
14 | a42661aa600 |
15 | 527452220ed |
hex | 2b58f9021c8 |
2978820923848 has 48 divisors (see below), whose sum is σ = 7087825306800. Its totient is φ = 1160579579040.
The previous prime is 2978820923831. The next prime is 2978820923873. The reversal of 2978820923848 is 8483290288792.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345406278 + ... + 345414901.
It is an arithmetic number, because the mean of its divisors is an integer number (147663027225).
Almost surely, 22978820923848 is an apocalyptic number.
2978820923848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2978820923848 is an abundant number, since it is smaller than the sum of its proper divisors (4109004382952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2978820923848 is a wasteful number, since it uses less digits than its factorization.
2978820923848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690821210 (or 690821199 counting only the distinct ones).
The product of its (nonzero) digits is 222953472, while the sum is 70.
The spelling of 2978820923848 in words is "two trillion, nine hundred seventy-eight billion, eight hundred twenty million, nine hundred twenty-three thousand, eight hundred forty-eight".
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