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13220221032239 = 1323892579192631
BaseRepresentation
bin1100000001100001001010…
…0101000001011100101111
31201210211200221020002020212
43000120102211001130233
53213100003041012424
644041141413333035
72533062254445224
oct300302245013457
951724627202225
1013220221032239
114237734138791
12159620133717b
1374b87a3c1710
14339c0d8c794b
1517dd4ce8810e
hexc061294172f

13220221032239 has 32 divisors (see below), whose sum is σ = 15028994534400. Its totient is φ = 11537014452480.

The previous prime is 13220221032233. The next prime is 13220221032283. The reversal of 13220221032239 is 93223012202231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13220221032239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220221032233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68533454 + ... + 68726084.

It is an arithmetic number, because the mean of its divisors is an integer number (469656079200).

Almost surely, 213220221032239 is an apocalyptic number.

13220221032239 is a deficient number, since it is larger than the sum of its proper divisors (1808773502161).

13220221032239 is a wasteful number, since it uses less digits than its factorization.

13220221032239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195335.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 13220221032239 in words is "thirteen trillion, two hundred twenty billion, two hundred twenty-one million, thirty-two thousand, two hundred thirty-nine".

Divisors: 1 13 23 89 299 1157 2047 2579 26611 33527 59317 192631 229531 771121 2504203 2983903 4430513 5279213 17144159 57596669 68629769 222874067 394315657 496795349 5126103541 6458339537 11426293027 44214786061 148541809351 574792218793 1016940079403 13220221032239