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220212310423 = 7172577200481
BaseRepresentation
bin1100110100010110101…
…1010011000110010111
3210001101222022102220011
43031011223103012113
512101443322413143
6245055242021051
721624031516510
oct3150553230627
9701358272804
10220212310423
1185434121186
12368187a7787
13179c59a1481
14a930671a07
155adcb7be9d
hex3345ad3197

220212310423 has 16 divisors (see below), whose sum is σ = 267512307264. Its totient is φ = 176958996480.

The previous prime is 220212310421. The next prime is 220212310469. The reversal of 220212310423 is 324013212022.

It is not a de Polignac number, because 220212310423 - 21 = 220212310421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220212310394 and 220212310403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212310421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3569658 + ... + 3630823.

It is an arithmetic number, because the mean of its divisors is an integer number (16719519204).

Almost surely, 2220212310423 is an apocalyptic number.

220212310423 is a deficient number, since it is larger than the sum of its proper divisors (47299996841).

220212310423 is a wasteful number, since it uses less digits than its factorization.

220212310423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200762.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220212310423 its reverse (324013212022), we get a palindrome (544225522445).

The spelling of 220212310423 in words is "two hundred twenty billion, two hundred twelve million, three hundred ten thousand, four hundred twenty-three".

Divisors: 1 7 17 119 257 1799 4369 30583 7200481 50403367 122408177 856857239 1850523617 12953665319 31458901489 220212310423