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149889600000 = 29325571487
BaseRepresentation
bin1000101110011000011…
…1011100101000000000
3112022220001201121112200
42023212013130220000
54423433214200000
6152505222153200
713554255402240
oct2134607345000
9468801647480
10149889600000
1158627853a88
1225071882800
131119973700a
14737cc53b20
153d74073500
hex22e61dca00

149889600000 has 720 divisors, whose sum is σ = 618363922176. Its totient is φ = 34237440000.

The previous prime is 149889599989. The next prime is 149889600031. The reversal of 149889600000 is 6988941.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 100799257 + ... + 100800743.

Almost surely, 2149889600000 is an apocalyptic number.

149889600000 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 149889600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309181961088).

149889600000 is an abundant number, since it is smaller than the sum of its proper divisors (468474322176).

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

149889600000 is an frugal number, since it uses more digits than its factorization.

149889600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 149889600000 in words is "one hundred forty-nine billion, eight hundred eighty-nine million, six hundred thousand".