Search a number
-
+
75257026140 = 22356120562029
BaseRepresentation
bin100011000010110101…
…0110001011001011100
321012020210101001000110
41012011222301121130
52213111244314030
654323403130020
75302640111322
oct1060552613134
9235223331013
1075257026140
1129a096a167a
1212703513910
1371346089ca
1438dcca1d12
151e56dd81b0
hex1185ab165c

75257026140 has 48 divisors (see below), whose sum is σ = 214174104480. Its totient is φ = 19739546880.

The previous prime is 75257026127. The next prime is 75257026213. The reversal of 75257026140 is 4162075257.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10277355 + ... + 10284674.

It is an arithmetic number, because the mean of its divisors is an integer number (4461960510).

Almost surely, 275257026140 is an apocalyptic number.

It is an amenable number.

75257026140 is an abundant number, since it is smaller than the sum of its proper divisors (138917078340).

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

75257026140 is a wasteful number, since it uses less digits than its factorization.

75257026140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20562102 (or 20562100 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 75257026140 in words is "seventy-five billion, two hundred fifty-seven million, twenty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 20562029 41124058 61686087 82248116 102810145 123372174 205620290 246744348 308430435 411240580 616860870 1233721740 1254283769 2508567538 3762851307 5017135076 6271418845 7525702614 12542837690 15051405228 18814256535 25085675380 37628513070 75257026140