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102221207663 = 1971405136929
BaseRepresentation
bin101111100110011011…
…0111101100001101111
3100202211222020101100012
41133030312331201233
53133322112121123
6114543151123435
710246064633411
oct1371466754157
9322758211305
10102221207663
113a396230313
121798981357b
139840a580c3
144d3a05c9b1
1529d4245378
hex17ccdbd86f

102221207663 has 8 divisors (see below), whose sum is σ = 102750191280. Its totient is φ = 101692326400.

The previous prime is 102221207639. The next prime is 102221207687. The reversal of 102221207663 is 366702122201.

It is an interprime number because it is at equal distance from previous prime (102221207639) and next prime (102221207687).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102221207663 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 (102221207633) 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, 2749583 + ... + 2786511.

It is an arithmetic number, because the mean of its divisors is an integer number (12843773910).

Almost surely, 2102221207663 is an apocalyptic number.

102221207663 is a deficient number, since it is larger than the sum of its proper divisors (528983617).

102221207663 is a wasteful number, since it uses less digits than its factorization.

102221207663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51177.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 102221207663 its reverse (366702122201), we get a palindrome (468923329864).

The spelling of 102221207663 in words is "one hundred two billion, two hundred twenty-one million, two hundred seven thousand, six hundred sixty-three".

Divisors: 1 197 14051 36929 2768047 7275013 518889379 102221207663