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221312022003030 = 23571053866771443
BaseRepresentation
bin110010010100100000111000…
…011101001011110101010110
31002000121020000022222001021210
4302110200320131023311112
5213001434010113044110
62102405201144322250
764421160134345460
oct6224407035136526
91060536008861253
10221312022003030
11645759a0912372
12209a3904473386
1396648322368ba
143c917b7d35130
151a8bc784b5520
hexc9483874bd56

221312022003030 has 32 divisors (see below), whose sum is σ = 607027260351744. Its totient is φ = 50585605029216.

The previous prime is 221312022003011. The next prime is 221312022003053. The reversal of 221312022003030 is 30300220213122.

It is a happy number.

It is a super-2 number, since 2×2213120220030302 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 221312022002988 and 221312022003006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526933385512 + ... + 526933385931.

It is an arithmetic number, because the mean of its divisors is an integer number (18969601885992).

Almost surely, 2221312022003030 is an apocalyptic number.

221312022003030 is an abundant number, since it is smaller than the sum of its proper divisors (385715238348714).

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

221312022003030 is a wasteful number, since it uses less digits than its factorization.

221312022003030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053866771460.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221312022003030 its reverse (30300220213122), we get a palindrome (251612242216152).

The spelling of 221312022003030 in words is "two hundred twenty-one trillion, three hundred twelve billion, twenty-two million, three thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1053866771443 2107733542886 3161600314329 5269333857215 6323200628658 7377067400101 10538667714430 14754134800202 15808001571645 22131202200303 31616003143290 36885337000505 44262404400606 73770674001010 110656011001515 221312022003030