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102021030223 = 747986335257
BaseRepresentation
bin101111100000011101…
…1010110000101001111
3100202100000120022111221
41133000323112011033
53132414340431343
6114511240424211
710241114306620
oct1370073260517
9322300508457
10102021030223
113a2a3237012
1217932778067
13980b43b108
144d1b631a47
1529c18a35ed
hex17c0ed614f

102021030223 has 16 divisors (see below), whose sum is σ = 116977582080. Its totient is φ = 87160447296.

The previous prime is 102021030193. The next prime is 102021030277. The reversal of 102021030223 is 322030120201.

It is a cyclic number.

It is not a de Polignac number, because 102021030223 - 229 = 101484159311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102021030197 and 102021030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021030283) 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, 2876011 + ... + 2911267.

It is an arithmetic number, because the mean of its divisors is an integer number (7311098880).

Almost surely, 2102021030223 is an apocalyptic number.

102021030223 is a deficient number, since it is larger than the sum of its proper divisors (14956551857).

102021030223 is an equidigital number, since it uses as much as digits as its factorization.

102021030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36606.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102021030223 its reverse (322030120201), we get a palindrome (424051150424).

The spelling of 102021030223 in words is "one hundred two billion, twenty-one million, thirty thousand, two hundred twenty-three".

Divisors: 1 7 479 863 3353 6041 35257 246799 413377 2893639 16888103 30426791 118216721 212987537 14574432889 102021030223