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105202332021 = 3263133336289
BaseRepresentation
bin110000111111010001…
…1000011000101110101
3101001112201202012011110
41201332203003011311
53210423244111041
6120155043025233
710413004032153
oct1417643030565
9331481665143
10105202332021
1140685a79156
121848006b219
139bc7560c07
14513dd503d3
152b0ad0b516
hex187e8c3175

105202332021 has 8 divisors (see below), whose sum is σ = 140803122240. Its totient is φ = 69868214912.

The previous prime is 105202332019. The next prime is 105202332029. The reversal of 105202332021 is 120233202501.

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

It is a cyclic number.

It is not a de Polignac number, because 105202332021 - 21 = 105202332019 is a prime.

It is a super-2 number, since 2×1052023320212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105202332029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 66667356 + ... + 66668933.

It is an arithmetic number, because the mean of its divisors is an integer number (17600390280).

Almost surely, 2105202332021 is an apocalyptic number.

It is an amenable number.

105202332021 is a deficient number, since it is larger than the sum of its proper divisors (35600790219).

105202332021 is a wasteful number, since it uses less digits than its factorization.

105202332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133336555.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 105202332021 its reverse (120233202501), we get a palindrome (225435534522).

The spelling of 105202332021 in words is "one hundred five billion, two hundred two million, three hundred thirty-two thousand, twenty-one".

Divisors: 1 3 263 789 133336289 400008867 35067444007 105202332021