Search a number
-
+
72528285630 = 2352417609521
BaseRepresentation
bin100001110001100000…
…1011100111110111110
320221012121202122202010
41003203001130332332
52142014220120010
653152524512050
75145214153533
oct1034301347676
9227177678663
1072528285630
1128839365529
12120816ab626
136abb19b658
14372070ad8a
151d47577620
hex10e305cfbe

72528285630 has 16 divisors (see below), whose sum is σ = 174067885584. Its totient is φ = 19340876160.

The previous prime is 72528285617. The next prime is 72528285637. The reversal of 72528285630 is 3658282527.

It is a self number, because there is not a number n which added to its sum of digits gives 72528285630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72528285637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208804731 + ... + 1208804790.

It is an arithmetic number, because the mean of its divisors is an integer number (10879242849).

Almost surely, 272528285630 is an apocalyptic number.

72528285630 is an abundant number, since it is smaller than the sum of its proper divisors (101539599954).

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

72528285630 is a wasteful number, since it uses less digits than its factorization.

72528285630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417609531.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 72528285630 in words is "seventy-two billion, five hundred twenty-eight million, two hundred eighty-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2417609521 4835219042 7252828563 12088047605 14505657126 24176095210 36264142815 72528285630