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221234102013 = 3433170311087
BaseRepresentation
bin1100111000001010010…
…1000111111011111101
3210011001011222211110010
43032002211013323331
512111041412231023
6245344502333433
721661246560651
oct3160245077375
9704034884403
10221234102013
1185908979341
1236a62a2a279
1317b2959b392
14a9ca252a61
155b4c715093
hex3382947efd

221234102013 has 8 divisors (see below), whose sum is σ = 295660048768. Its totient is φ = 147148778304.

The previous prime is 221234101999. The next prime is 221234102027. The reversal of 221234102013 is 310201432122.

It is an interprime number because it is at equal distance from previous prime (221234101999) and next prime (221234102027).

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

It is not a de Polignac number, because 221234102013 - 24 = 221234101997 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 (221234107013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85154245 + ... + 85156842.

It is an arithmetic number, because the mean of its divisors is an integer number (36957506096).

Almost surely, 2221234102013 is an apocalyptic number.

It is an amenable number.

221234102013 is a deficient number, since it is larger than the sum of its proper divisors (74425946755).

221234102013 is a wasteful number, since it uses less digits than its factorization.

221234102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170311523.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221234102013 its reverse (310201432122), we get a palindrome (531435534135).

The spelling of 221234102013 in words is "two hundred twenty-one billion, two hundred thirty-four million, one hundred two thousand, thirteen".

Divisors: 1 3 433 1299 170311087 510933261 73744700671 221234102013