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102421203222 = 23132389549641
BaseRepresentation
bin101111101100011000…
…1111000100100010110
3100210100220120012200010
41133120301320210112
53134224312000342
6115015053501050
710254043602012
oct1373061704426
9323326505603
10102421203222
113a48910a9a8
1217a247a1786
139873310380
144d5883d542
1529e6a9d29c
hex17d8c78916

102421203222 has 32 divisors (see below), whose sum is σ = 220692255840. Its totient is φ = 31500967680.

The previous prime is 102421203197. The next prime is 102421203263. The reversal of 102421203222 is 222302124201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88479 + ... + 461162.

It is an arithmetic number, because the mean of its divisors is an integer number (6896632995).

Almost surely, 2102421203222 is an apocalyptic number.

102421203222 is an abundant number, since it is smaller than the sum of its proper divisors (118271052618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102421203222 is a wasteful number, since it uses less digits than its factorization.

102421203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552048.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 102421203222 its reverse (222302124201), we get a palindrome (324723327423).

The spelling of 102421203222 in words is "one hundred two billion, four hundred twenty-one million, two hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 2389 4778 7167 14334 31057 62114 93171 186342 549641 1099282 1648923 3297846 7145333 14290666 21435999 42871998 1313092349 2626184698 3939277047 7878554094 17070200537 34140401074 51210601611 102421203222