Base | Representation |
---|---|
bin | 10111101101100… |
… | …00000110000111 |
3 | 111212021021110100 |
4 | 23312300012013 |
5 | 401404332101 |
6 | 31423055143 |
7 | 4633432440 |
oct | 1366600607 |
9 | 455237410 |
10 | 198902151 |
11 | a2303148 |
12 | 567414b3 |
13 | 322916a6 |
14 | 1c5b82c7 |
15 | 126dde86 |
hex | bdb0187 |
198902151 has 48 divisors (see below), whose sum is σ = 338777920. Its totient is φ = 110108160.
The previous prime is 198902149. The next prime is 198902153. The reversal of 198902151 is 151209891.
198902151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (198902149) and next prime (198902153).
It is not a de Polignac number, because 198902151 - 21 = 198902149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198902153) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280185 + ... + 280893.
Almost surely, 2198902151 is an apocalyptic number.
198902151 is a deficient number, since it is larger than the sum of its proper divisors (139875769).
198902151 is a wasteful number, since it uses less digits than its factorization.
198902151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 856 (or 853 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 36.
The square root of 198902151 is about 14103.2673873823. The cubic root of 198902151 is about 583.7315404232.
The spelling of 198902151 in words is "one hundred ninety-eight million, nine hundred two thousand, one hundred fifty-one".
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