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2211221331230 = 25923923933557
BaseRepresentation
bin100000001011010111000…
…011111101110100011110
321211101112211001020001212
4200023113003331310132
5242212040130044410
64411453203104422
7315520061124332
oct40132703756436
97741484036055
102211221331230
1178285688224a
122b8671672112
131306955c34c2
1479048db77c2
153c7bb660b05
hex202d70fdd1e

2211221331230 has 16 divisors (see below), whose sum is σ = 3980629366560. Its totient is φ = 884392761312.

The previous prime is 2211221331223. The next prime is 2211221331251. The reversal of 2211221331230 is 321331221122.

It is a junction number, because it is equal to n+sod(n) for n = 2211221331196 and 2211221331205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11874389 + ... + 12059168.

It is an arithmetic number, because the mean of its divisors is an integer number (248789335410).

Almost surely, 22211221331230 is an apocalyptic number.

2211221331230 is a deficient number, since it is larger than the sum of its proper divisors (1769408035330).

2211221331230 is a wasteful number, since it uses less digits than its factorization.

2211221331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23942803.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2211221331230 its reverse (321331221122), we get a palindrome (2532552552352).

The spelling of 2211221331230 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 9239 18478 46195 92390 23933557 47867114 119667785 239335570 221122133123 442244266246 1105610665615 2211221331230