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202320432101 = 1491357855249
BaseRepresentation
bin1011110001101100111…
…1001100101111100101
3201100020001120211221002
42330123033030233211
511303323012311401
6232540021003045
720421455204114
oct2743317145745
9640201524832
10202320432101
1178892678187
1233264853485
1316103c99318
149b1434bc7b
1553e202ea6b
hex2f1b3ccbe5

202320432101 has 4 divisors (see below), whose sum is σ = 203678287500. Its totient is φ = 200962576704.

The previous prime is 202320432091. The next prime is 202320432107. The reversal of 202320432101 is 101234023202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13047579076 + 189272853025 = 114226^2 + 435055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202320432101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202320432107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678927476 + ... + 678927773.

It is an arithmetic number, because the mean of its divisors is an integer number (50919571875).

Almost surely, 2202320432101 is an apocalyptic number.

It is an amenable number.

202320432101 is a deficient number, since it is larger than the sum of its proper divisors (1357855399).

202320432101 is a wasteful number, since it uses less digits than its factorization.

202320432101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357855398.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202320432101 its reverse (101234023202), we get a palindrome (303554455303).

The spelling of 202320432101 in words is "two hundred two billion, three hundred twenty million, four hundred thirty-two thousand, one hundred one".

Divisors: 1 149 1357855249 202320432101