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2121310310222 = 21633964915549
BaseRepresentation
bin11110110111100111111…
…100101000111101001110
321111210110202121010011202
4132313213330220331032
5234223420414411342
64302303321545502
7306155022061625
oct36674774507516
97453422533152
102121310310222
11748708405414
122a315a645292
1312506705651c
1474959c3c6bc
153a2a800d332
hex1ede7f28f4e

2121310310222 has 8 divisors (see below), whose sum is σ = 3182160261000. Its totient is φ = 1060590223224.

The previous prime is 2121310310221. The next prime is 2121310310233. The reversal of 2121310310222 is 2220130131212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2121310310194 and 2121310310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121310310221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32425097 + ... + 32490452.

It is an arithmetic number, because the mean of its divisors is an integer number (397770032625).

Almost surely, 22121310310222 is an apocalyptic number.

2121310310222 is a deficient number, since it is larger than the sum of its proper divisors (1060849950778).

2121310310222 is a wasteful number, since it uses less digits than its factorization.

2121310310222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64931890.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2121310310222 its reverse (2220130131212), we get a palindrome (4341440441434).

The spelling of 2121310310222 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, three hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 16339 32678 64915549 129831098 1060655155111 2121310310222