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221130301213 = 3159653185149
BaseRepresentation
bin1100110111110001100…
…1001001111100011101
3210010202221200012112001
43031330121021330131
512110333324114323
6245330313442301
721655546355503
oct3157431117435
9703687605461
10221130301213
1185865321258
1236a34110391
1317b10c268a3
14a9ba552673
155b4355e3ad
hex337c649f1d

221130301213 has 16 divisors (see below), whose sum is σ = 232489152000. Its totient is φ = 210046703040.

The previous prime is 221130301207. The next prime is 221130301237. The reversal of 221130301213 is 312103031122.

It is a cyclic number.

It is not a de Polignac number, because 221130301213 - 25 = 221130301181 is a prime.

It is a super-2 number, since 2×2211303012132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221130301253) 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, 1101763 + ... + 1286911.

It is an arithmetic number, because the mean of its divisors is an integer number (14530572000).

Almost surely, 2221130301213 is an apocalyptic number.

It is an amenable number.

221130301213 is a deficient number, since it is larger than the sum of its proper divisors (11358850787).

221130301213 is a wasteful number, since it uses less digits than its factorization.

221130301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185892.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 221130301213 its reverse (312103031122), we get a palindrome (533233332335).

The spelling of 221130301213 in words is "two hundred twenty-one billion, one hundred thirty million, three hundred one thousand, two hundred thirteen".

Divisors: 1 31 59 653 1829 20243 38527 185149 1194337 5739619 10923791 120902297 338637521 3747971207 7133235523 221130301213