Base | Representation |
---|---|
bin | 1000101110010011010… |
… | …1011000110001000001 |
3 | 112022211120020201011012 |
4 | 2023210311120301001 |
5 | 4423412212312020 |
6 | 152503133130305 |
7 | 13553604506201 |
oct | 2134465306101 |
9 | 468746221135 |
10 | 149868088385 |
11 | 586166a0a94 |
12 | 25066629995 |
13 | 11195144852 |
14 | 737a054401 |
15 | 3d722247c5 |
hex | 22e4d58c41 |
149868088385 has 8 divisors (see below), whose sum is σ = 190420630056. Its totient is φ = 112841854720.
The previous prime is 149868088319. The next prime is 149868088387. The reversal of 149868088385 is 583880868941.
It is a Cunningham number, because it is equal to 3871282+1.
It can be written as a sum of positive squares in 4 ways, for example, as 53952140176 + 95915948209 = 232276^2 + 309703^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-149868088385 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (149868088387) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881576906 + ... + 881577075.
It is an arithmetic number, because the mean of its divisors is an integer number (23802578757).
Almost surely, 2149868088385 is an apocalyptic number.
It is an amenable number.
149868088385 is a deficient number, since it is larger than the sum of its proper divisors (40552541671).
149868088385 is a wasteful number, since it uses less digits than its factorization.
149868088385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1763154003.
The product of its (nonzero) digits is 106168320, while the sum is 68.
The spelling of 149868088385 in words is "one hundred forty-nine billion, eight hundred sixty-eight million, eighty-eight thousand, three hundred eighty-five".
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