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149247771800 = 2352746238859
BaseRepresentation
bin1000101011111111011…
…1000100010010011000
3112021020100000100202212
42022333313010102120
54421124412144200
6152321413414252
713532333062061
oct2127767042230
9467210010685
10149247771800
1158328526a56
1224b1293a388
13110c678470a
14731b8dd568
153d37a42035
hex22bfdc4498

149247771800 has 24 divisors (see below), whose sum is σ = 347001069900. Its totient is φ = 59699108640.

The previous prime is 149247771787. The next prime is 149247771833. The reversal of 149247771800 is 8177742941.

149247771800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373119230 + ... + 373119629.

Almost surely, 2149247771800 is an apocalyptic number.

149247771800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149247771800 is an abundant number, since it is smaller than the sum of its proper divisors (197753298100).

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

149247771800 is a wasteful number, since it uses less digits than its factorization.

149247771800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746238875 (or 746238866 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 149247771800 in words is "one hundred forty-nine billion, two hundred forty-seven million, seven hundred seventy-one thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 746238859 1492477718 2984955436 3731194295 5969910872 7462388590 14924777180 18655971475 29849554360 37311942950 74623885900 149247771800