Base | Representation |
---|---|
bin | 10011001100101… |
… | …00001001111000 |
3 | 102020000121221020 |
4 | 21212110021320 |
5 | 312211221333 |
6 | 23551342440 |
7 | 3663544236 |
oct | 1146241170 |
9 | 366017836 |
10 | 161038968 |
11 | 829a1a62 |
12 | 45b21a20 |
13 | 2749563c |
14 | 1755d956 |
15 | e2103b3 |
hex | 9994278 |
161038968 has 16 divisors (see below), whose sum is σ = 402597480. Its totient is φ = 53679648.
The previous prime is 161038957. The next prime is 161038991. The reversal of 161038968 is 869830161.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3354955 + ... + 3355002.
Almost surely, 2161038968 is an apocalyptic number.
It is an amenable number.
161038968 is an abundant number, since it is smaller than the sum of its proper divisors (241558512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161038968 is a wasteful number, since it uses less digits than its factorization.
161038968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6709966 (or 6709962 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 161038968 is about 12690.1130018609. The cubic root of 161038968 is about 544.0560694082.
The spelling of 161038968 in words is "one hundred sixty-one million, thirty-eight thousand, nine hundred sixty-eight".
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