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151122150 = 23252499673
BaseRepresentation
bin10010000000111…
…11000011100110
3101112100210121200
421000133003212
5302141402100
622555023330
73513342234
oct1100370346
9345323550
10151122150
1178339343
124273ab46
13254028ba
14160db954
15d401e00
hex901f0e6

151122150 has 72 divisors (see below), whose sum is σ = 407433000. Its totient is φ = 40158720.

The previous prime is 151122137. The next prime is 151122157. The reversal of 151122150 is 51221151.

151122150 is a `hidden beast` number, since 1 + 511 + 2 + 2 + 150 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151122157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 224214 + ... + 224886.

Almost surely, 2151122150 is an apocalyptic number.

151122150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151122150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203716500).

151122150 is an abundant number, since it is smaller than the sum of its proper divisors (256310850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151122150 is a wasteful number, since it uses less digits than its factorization.

151122150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 151122150 is about 12293.1749357113. The cubic root of 151122150 is about 532.6509523771.

Subtracting from 151122150 its reverse (51221151), we obtain a palindrome (99900999).

The spelling of 151122150 in words is "one hundred fifty-one million, one hundred twenty-two thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 499 673 998 1346 1497 2019 2495 2994 3365 4038 4491 4990 6057 6730 7485 8982 10095 12114 12475 14970 16825 20190 22455 24950 30285 33650 37425 44910 50475 60570 74850 100950 112275 151425 224550 302850 335827 671654 1007481 1679135 2014962 3022443 3358270 5037405 6044886 8395675 10074810 15112215 16791350 25187025 30224430 50374050 75561075 151122150