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151020078 = 231117281479
BaseRepresentation
bin10010000000001…
…10001000101110
3101112011121121020
421000012020232
5302130120303
622552515010
73512435526
oct1100061056
9345147536
10151020078
1178279690
12426aba66
13253982c1
14160b2686
15d3d1a53
hex900622e

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".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 281 374 479 561 562 843 958 1122 1437 1686 2874 3091 4777 5269 6182 8143 9273 9554 10538 14331 15807 16286 18546 24429 28662 31614 48858 52547 89573 105094 134599 157641 179146 268719 269198 315282 403797 537438 807594 1480589 2288183 2961178 4441767 4576366 6864549 8883534 13729098 25170013 50340026 75510039 151020078