Base | Representation |
---|---|
bin | 10010000000001… |
… | …10001000101110 |
3 | 101112011121121020 |
4 | 21000012020232 |
5 | 302130120303 |
6 | 22552515010 |
7 | 3512435526 |
oct | 1100061056 |
9 | 345147536 |
10 | 151020078 |
11 | 78279690 |
12 | 426aba66 |
13 | 253982c1 |
14 | 160b2686 |
15 | d3d1a53 |
hex | 900622e |
151020078 has 64 divisors (see below), whose sum is σ = 350853120. Its totient is φ = 42828800.
The previous prime is 151020073. The next prime is 151020091. The reversal of 151020078 is 870020151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151020073) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315043 + ... + 315521.
It is an arithmetic number, because the mean of its divisors is an integer number (5482080).
Almost surely, 2151020078 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 151020078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175426560).
151020078 is an abundant number, since it is smaller than the sum of its proper divisors (199833042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151020078 is a wasteful number, since it uses less digits than its factorization.
151020078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 793.
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 151020078 is about 12289.0226625228. The cubic root of 151020078 is about 532.5310030661.
The spelling of 151020078 in words is "one hundred fifty-one million, twenty thousand, seventy-eight".
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