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221113200030 = 23551011444901
BaseRepresentation
bin1100110111101101011…
…1111010110110011110
3210010201202111101002220
43031323113322312132
512110314434400110
6245324503130210
721655251122022
oct3157327726636
9703652441086
10221113200030
1185856700948
1236a2a443966
1317b0a519a48
14a9b8180382
155b41cd2370
hex337b5fad9e

221113200030 has 32 divisors (see below), whose sum is σ = 530776080288. Its totient is φ = 58951920000.

The previous prime is 221113200023. The next prime is 221113200043. The reversal of 221113200030 is 30002311122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 221113199982 and 221113200009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569421 + ... + 875480.

It is an arithmetic number, because the mean of its divisors is an integer number (16586752509).

Almost surely, 2221113200030 is an apocalyptic number.

221113200030 is an abundant number, since it is smaller than the sum of its proper divisors (309662880258).

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

221113200030 is a wasteful number, since it uses less digits than its factorization.

221113200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450012.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 221113200030 its reverse (30002311122), we get a palindrome (251115511152).

The spelling of 221113200030 in words is "two hundred twenty-one billion, one hundred thirteen million, two hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 5101 10202 15303 25505 30606 51010 76515 153030 1444901 2889802 4334703 7224505 8669406 14449010 21673515 43347030 7370440001 14740880002 22111320003 36852200005 44222640006 73704400010 110556600015 221113200030