Search a number
-
+
125768064 = 2731931697
BaseRepresentation
bin1110111111100…
…01000110000000
322202122200100110
413133301012000
5224144034224
620251351320
73055003512
oct737610600
9282580313
10125768064
1164aa1454
1236152540
1320096496
14129bbbb2
15b094929
hex77f1180

125768064 has 64 divisors (see below), whose sum is σ = 336000240. Its totient is φ = 41680896.

The previous prime is 125768053. The next prime is 125768081. The reversal of 125768064 is 460867521.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 73264 + ... + 74960.

Almost surely, 2125768064 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 125768064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168000120).

125768064 is an abundant number, since it is smaller than the sum of its proper divisors (210232176).

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

125768064 is a wasteful number, since it uses less digits than its factorization.

125768064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 125768064 is about 11214.6361510305. The cubic root of 125768064 is about 501.0219949627.

The spelling of 125768064 in words is "one hundred twenty-five million, seven hundred sixty-eight thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 193 384 386 579 772 1158 1544 1697 2316 3088 3394 4632 5091 6176 6788 9264 10182 12352 13576 18528 20364 24704 27152 37056 40728 54304 74112 81456 108608 162912 217216 325824 327521 651648 655042 982563 1310084 1965126 2620168 3930252 5240336 7860504 10480672 15721008 20961344 31442016 41922688 62884032 125768064