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221303133331230 = 23515430194780739
BaseRepresentation
bin110010010100011000100110…
…101001100101111100011110
31002000120101001212100201212010
4302110120212221211330132
5213001312304113044410
62102401131141252050
764420423643030436
oct6224304651457436
91060511055321763
10221303133331230
116457214a44a715
12209a2043704026
139663a468653a2
143c911b361d2c6
151a8b907e79c20
hexc94626a65f1e

221303133331230 has 32 divisors (see below), whose sum is σ = 531127975305600. Its totient is φ = 59014118298272.

The previous prime is 221303133331171. The next prime is 221303133331249. The reversal of 221303133331230 is 32133331303122.

221303133331230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 43900201 + ... + 48680939.

It is an arithmetic number, because the mean of its divisors is an integer number (16597749228300).

Almost surely, 2221303133331230 is an apocalyptic number.

221303133331230 is an abundant number, since it is smaller than the sum of its proper divisors (309824841974370).

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

221303133331230 is a wasteful number, since it uses less digits than its factorization.

221303133331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323768.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 221303133331230 its reverse (32133331303122), we get a palindrome (253436464634352).

The spelling of 221303133331230 in words is "two hundred twenty-one trillion, three hundred three billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1543019 3086038 4629057 4780739 7715095 9258114 9561478 14342217 15430190 23145285 23903695 28684434 46290570 47807390 71711085 143422170 7376771111041 14753542222082 22130313333123 36883855555205 44260626666246 73767711110410 110651566665615 221303133331230