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149550177480 = 233511211878677
BaseRepresentation
bin1000101101000111100…
…0101001110011001000
3112022000102001011101020
42023101320221303020
54422234321134410
6152411415152440
713542664351224
oct2132170516310
9468012034336
10149550177480
11584731a3900
1224b98075720
13111443154a2
147349b3b784
153d54378a70
hex22d1e29cc8

149550177480 has 192 divisors, whose sum is σ = 493617136320. Its totient is φ = 36219870720.

The previous prime is 149550177451. The next prime is 149550177481. The reversal of 149550177480 is 84771055941.

It is not an unprimeable number, because it can be changed into a prime (149550177481) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 17230902 + ... + 17239578.

It is an arithmetic number, because the mean of its divisors is an integer number (2570922585).

Almost surely, 2149550177480 is an apocalyptic number.

149550177480 is a gapful number since it is divisible by the number (10) 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 149550177480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246808568160).

149550177480 is an abundant number, since it is smaller than the sum of its proper divisors (344066958840).

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

149550177480 is a wasteful number, since it uses less digits than its factorization.

149550177480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900 (or 9885 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 149550177480 in words is "one hundred forty-nine billion, five hundred fifty million, one hundred seventy-seven thousand, four hundred eighty".