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149689425344 = 2697107225349
BaseRepresentation
bin1000101101101000101…
…1110101110111000000
3112022101010001200112112
42023122023311313000
54423030443102334
6152433311514452
713546305056534
oct2133213656700
9468333050475
10149689425344
1158534861888
1225016828a28
131116711b384
147360427bc4
153d616d24ce
hex22da2f5dc0

149689425344 has 56 divisors (see below), whose sum is σ = 302908258800. Its totient is φ = 73380519936.

The previous prime is 149689425343. The next prime is 149689425359. The reversal of 149689425344 is 443524986941.

It is a happy number.

149689425344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149689425343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 551582 + ... + 776930.

It is an arithmetic number, because the mean of its divisors is an integer number (5409076050).

Almost surely, 2149689425344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149689425344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151454129400).

149689425344 is an abundant number, since it is smaller than the sum of its proper divisors (153218833456).

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

149689425344 is a wasteful number, since it uses less digits than its factorization.

149689425344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225565 (or 225555 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 59.

The spelling of 149689425344 in words is "one hundred forty-nine billion, six hundred eighty-nine million, four hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 64 97 107 194 214 388 428 776 856 1552 1712 3104 3424 6208 6848 10379 20758 41516 83032 166064 225349 332128 450698 664256 901396 1802792 3605584 7211168 14422336 21858853 24112343 43717706 48224686 87435412 96449372 174870824 192898744 349741648 385797488 699483296 771594976 1398966592 1543189952 2338897271 4677794542 9355589084 18711178168 37422356336 74844712672 149689425344