Search a number
-
+
52228666830 = 23537347135599
BaseRepresentation
bin110000101001000100…
…100011010111001110
311222210220110011202210
4300221010203113032
51323431014314310
635554333331250
73526163225454
oct605104432716
9158726404683
1052228666830
11201717a246a
12a157336b26
134c046ca5b2
1427567109d4
15155a375820
hexc291235ce

52228666830 has 64 divisors (see below), whose sum is σ = 129108556800. Its totient is φ = 13512069504.

The previous prime is 52228666801. The next prime is 52228666859. The reversal of 52228666830 is 3866682225.

It is an interprime number because it is at equal distance from previous prime (52228666801) and next prime (52228666859).

It is a self number, because there is not a number n which added to its sum of digits gives 52228666830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317371 + ... + 452969.

It is an arithmetic number, because the mean of its divisors is an integer number (2017321200).

Almost surely, 252228666830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52228666830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64554278400).

52228666830 is an abundant number, since it is smaller than the sum of its proper divisors (76879889970).

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

52228666830 is a wasteful number, since it uses less digits than its factorization.

52228666830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135993.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 52228666830 in words is "fifty-two billion, two hundred twenty-eight million, six hundred sixty-six thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 347 370 555 694 1041 1110 1735 2082 3470 5205 10410 12839 25678 38517 64195 77034 128390 135599 192585 271198 385170 406797 677995 813594 1355990 2033985 4067970 5017163 10034326 15051489 25085815 30102978 47052853 50171630 75257445 94105706 141158559 150514890 235264265 282317118 470528530 705792795 1411585590 1740955561 3481911122 5222866683 8704777805 10445733366 17409555610 26114333415 52228666830