Base | Representation |
---|---|
bin | 111001001000011100… |
… | …1110001011110001101 |
3 | 102201200111011022010100 |
4 | 1302100321301132031 |
5 | 4002232134220422 |
6 | 132210231401313 |
7 | 11602243024116 |
oct | 1622071613615 |
9 | 381614138110 |
10 | 122690148237 |
11 | 4803a432328 |
12 | 1b940823239 |
13 | b753631867 |
14 | 5d1c73320d |
15 | 32d12417ac |
hex | 1c90e7178d |
122690148237 has 24 divisors (see below), whose sum is σ = 186564747200. Its totient is φ = 77480903808.
The previous prime is 122690148209. The next prime is 122690148239. The reversal of 122690148237 is 732841096221.
122690148237 is a `hidden beast` number, since 12 + 269 + 0 + 148 + 237 = 666.
It is not a de Polignac number, because 122690148237 - 26 = 122690148173 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122690148192 and 122690148201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122690148239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2081589 + ... + 2139717.
Almost surely, 2122690148237 is an apocalyptic number.
It is an amenable number.
122690148237 is a deficient number, since it is larger than the sum of its proper divisors (63874598963).
122690148237 is a wasteful number, since it uses less digits than its factorization.
122690148237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70497 (or 70494 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 122690148237 in words is "one hundred twenty-two billion, six hundred ninety million, one hundred forty-eight thousand, two hundred thirty-seven".
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