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149989708800 = 21038521947
BaseRepresentation
bin1000101110110000010…
…1010101010000000000
3112100011001002200000000
42023230011111100000
54424134331140200
6152523200000000
713556612326521
oct2135405252000
9470131080000
10149989708800
115867930a228
122509b300000
13111b43b81a9
14738c272848
153d7cc4a300
hex22ec155400

149989708800 has 1188 divisors, whose sum is σ = 599501123520. Its totient is φ = 37085921280.

The previous prime is 149989708789. The next prime is 149989708831. The reversal of 149989708800 is 8807989941.

It is a super-4 number, since 4×1499897088004 (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3191270377 + ... + 3191270423.

Almost surely, 2149989708800 is an apocalyptic number.

149989708800 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 149989708800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299750561760).

149989708800 is an abundant number, since it is smaller than the sum of its proper divisors (449511414720).

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

149989708800 is an frugal number, since it uses more digits than its factorization.

149989708800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 63.

The spelling of 149989708800 in words is "one hundred forty-nine billion, nine hundred eighty-nine million, seven hundred eight thousand, eight hundred".