Search a number
-
+
102102012022122 = 2327810333428747
BaseRepresentation
bin10111001101110001111010…
…001010000100110101101010
3111101111212010202210000222100
4113031301322022010311222
5101340314410034201442
61001053003343234230
730335425016421450
oct2715617212046552
9441455122700870
10102102012022122
112a595246aa1062
12b5500792a8976
1344c8241cb3188
141b2da99a2a9d0
15bc0d9347184c
hex5cdc7a284d6a

102102012022122 has 24 divisors (see below), whose sum is σ = 252824029769376. Its totient is φ = 29172003434856.

The previous prime is 102102012022121. The next prime is 102102012022183. The reversal of 102102012022122 is 221220210201201.

It is a happy number.

102102012022122 is a `hidden beast` number, since 10 + 210 + 201 + 2 + 0 + 221 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102102012022095 and 102102012022104.

It is not an unprimeable number, because it can be changed into a prime (102102012022121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405166714248 + ... + 405166714499.

It is an arithmetic number, because the mean of its divisors is an integer number (10534334573724).

Almost surely, 2102102012022122 is an apocalyptic number.

102102012022122 is an abundant number, since it is smaller than the sum of its proper divisors (150722017747254).

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

102102012022122 is a wasteful number, since it uses less digits than its factorization.

102102012022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810333428762 (or 810333428759 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102102012022122 its reverse (221220210201201), we get a palindrome (323322222223323).

The spelling of 102102012022122 in words is "one hundred two trillion, one hundred two billion, twelve million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 810333428747 1620666857494 2431000286241 4862000572482 5672334001229 7293000858723 11344668002458 14586001717446 17017002003687 34034004007374 51051006011061 102102012022122