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102021212033 = 1323495168917
BaseRepresentation
bin101111100000011110…
…0000010011110000001
3100202100000220112220122
41133000330002132001
53132414412241113
6114511244350025
710241115664646
oct1370074023601
9322300815818
10102021212033
113a2a3350674
1217932845315
13980b4a2ab0
144d1b67bdcd
1529c18dc408
hex17c0f02781

102021212033 has 16 divisors (see below), whose sum is σ = 114670730496. Its totient is φ = 90059428800.

The previous prime is 102021212021. The next prime is 102021212077. The reversal of 102021212033 is 330212120201.

It is a cyclic number.

It is not a de Polignac number, because 102021212033 - 220 = 102020163457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102021212003) 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, 1445891 + ... + 1514807.

It is an arithmetic number, because the mean of its divisors is an integer number (7166920656).

Almost surely, 2102021212033 is an apocalyptic number.

102021212033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

102021212033 is a deficient number, since it is larger than the sum of its proper divisors (12649518463).

102021212033 is a wasteful number, since it uses less digits than its factorization.

102021212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73904.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102021212033 its reverse (330212120201), we get a palindrome (432233332234).

The spelling of 102021212033 in words is "one hundred two billion, twenty-one million, two hundred twelve thousand, thirty-three".

Divisors: 1 13 23 299 4951 64363 68917 113873 895921 1480349 1585091 20606183 341208067 4435704871 7847785541 102021212033