Base | Representation |
---|---|
bin | 10010000010111… |
… | …01101011010001 |
3 | 101112211211110100 |
4 | 21001131223101 |
5 | 302223104031 |
6 | 23004323013 |
7 | 3515461101 |
oct | 1101355321 |
9 | 345754410 |
10 | 151378641 |
11 | 784a4017 |
12 | 42843469 |
13 | 2549257b |
14 | 16167201 |
15 | d452de6 |
hex | 905dad1 |
151378641 has 12 divisors (see below), whose sum is σ = 218877568. Its totient is φ = 100817784.
The previous prime is 151378639. The next prime is 151378649. The reversal of 151378641 is 146873151.
151378641 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 7 + 8 + 641 = 666.
It is not a de Polignac number, because 151378641 - 21 = 151378639 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 151378596 and 151378605.
It is not an unprimeable number, because it can be changed into a prime (151378649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1656 + ... + 17478.
Almost surely, 2151378641 is an apocalyptic number.
It is an amenable number.
151378641 is a deficient number, since it is larger than the sum of its proper divisors (67498927).
151378641 is a wasteful number, since it uses less digits than its factorization.
151378641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16892 (or 16889 counting only the distinct ones).
The product of its digits is 20160, while the sum is 36.
The square root of 151378641 is about 12303.6027650441. The cubic root of 151378641 is about 532.9521280721.
The spelling of 151378641 in words is "one hundred fifty-one million, three hundred seventy-eight thousand, six hundred forty-one".
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