Search a number
-
+
75378204752 = 2431227669481
BaseRepresentation
bin100011000110011100…
…1000010000001010000
321012120020101112211012
41012030321002001100
52213333310023002
654343412310052
75305641111614
oct1061471020120
9235506345735
1075378204752
1129a71038994
1212738012328
137153756226
143911007344
151e62872d52
hex118ce42050

75378204752 has 40 divisors (see below), whose sum is σ = 151420760832. Its totient is φ = 36312595200.

The previous prime is 75378204743. The next prime is 75378204761. The reversal of 75378204752 is 25740287357.

It is an interprime number because it is at equal distance from previous prime (75378204743) and next prime (75378204761).

It is a self number, because there is not a number n which added to its sum of digits gives 75378204752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222149 + ... + 447332.

Almost surely, 275378204752 is an apocalyptic number.

It is an amenable number.

75378204752 is an abundant number, since it is smaller than the sum of its proper divisors (76042556080).

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

75378204752 is a wasteful number, since it uses less digits than its factorization.

75378204752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669747 (or 669741 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 50.

The spelling of 75378204752 in words is "seventy-five billion, three hundred seventy-eight million, two hundred four thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 31 62 124 227 248 454 496 908 1816 3632 7037 14074 28148 56296 112592 669481 1338962 2677924 5355848 10711696 20753911 41507822 83015644 151972187 166031288 303944374 332062576 607888748 1215777496 2431554992 4711137797 9422275594 18844551188 37689102376 75378204752