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149928412656 = 2431129731131187
BaseRepresentation
bin1000101110100001101…
…1100000010111110000
3112022222202202111111110
42023220123200113300
54424023133201111
6152513130113320
713555236323541
oct2135033402760
9468882674443
10149928412656
1158647753560
122508287b840
13111a47a6299
1473840784c8
153d7768d5a6
hex22e86e05f0

149928412656 has 320 divisors, whose sum is σ = 447380651520. Its totient is φ = 42846289920.

The previous prime is 149928412649. The next prime is 149928412661. The reversal of 149928412656 is 656214829941.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 149928412596 and 149928412605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126308095 + ... + 126309281.

It is an arithmetic number, because the mean of its divisors is an integer number (1398064536).

Almost surely, 2149928412656 is an apocalyptic number.

149928412656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149928412656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223690325760).

149928412656 is an abundant number, since it is smaller than the sum of its proper divisors (297452238864).

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

149928412656 is a wasteful number, since it uses less digits than its factorization.

149928412656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1418 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The spelling of 149928412656 in words is "one hundred forty-nine billion, nine hundred twenty-eight million, four hundred twelve thousand, six hundred fifty-six".