Base | Representation |
---|---|
bin | 1010110001001100… |
… | …0111110011011110 |
3 | 21110110100110111100 |
4 | 2230103013303132 |
5 | 21410004200404 |
6 | 1154501333530 |
7 | 131430330606 |
oct | 25423076336 |
9 | 7413313440 |
10 | 2890693854 |
11 | 12537a3094 |
12 | 6881072a6 |
13 | 370b62c49 |
14 | 1d5cb1c06 |
15 | 11dba1d39 |
hex | ac4c7cde |
2890693854 has 24 divisors (see below), whose sum is σ = 6268363920. Its totient is φ = 962765568.
The previous prime is 2890693837. The next prime is 2890693909. The reversal of 2890693854 is 4583960982.
It is a super-2 number, since 2×28906938542 = 16712221915106746632, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2890693854.
It is a congruent number.
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, 44074 + ... + 87885.
It is an arithmetic number, because the mean of its divisors is an integer number (261181830).
Almost surely, 22890693854 is an apocalyptic number.
2890693854 is an abundant number, since it is smaller than the sum of its proper divisors (3377670066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2890693854 is a wasteful number, since it uses less digits than its factorization.
2890693854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133184 (or 133181 counting only the distinct ones).
The product of its (nonzero) digits is 3732480, while the sum is 54.
The square root of 2890693854 is about 53765.1732443968. The cubic root of 2890693854 is about 1424.5161141917.
It can be divided in two parts, 28906 and 93854, that added together give a triangular number (122760 = T495).
The spelling of 2890693854 in words is "two billion, eight hundred ninety million, six hundred ninety-three thousand, eight hundred fifty-four".
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