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202432334231 = 941215124691
BaseRepresentation
bin1011110010000111101…
…0000100100110010111
3201100111212011001210102
42330201322010212113
511304040134143411
6232555055244315
720424314310311
oct2744172044627
9640455131712
10202432334231
117893a858986
123329621969b
13161212193ba
149b2515a7b1
1553ebc85d3b
hex2f21e84997

202432334231 has 4 divisors (see below), whose sum is σ = 202647459864. Its totient is φ = 202217208600.

The previous prime is 202432334173. The next prime is 202432334233. The reversal of 202432334231 is 132433234202.

202432334231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132433234202 = 266216617101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202432334231 is a prime.

It is a super-2 number, since 2×2024323342312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202432334194 and 202432334203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202432334233) 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 3 ways as a sum of consecutive naturals, for example, 107561405 + ... + 107563286.

It is an arithmetic number, because the mean of its divisors is an integer number (50661864966).

Almost surely, 2202432334231 is an apocalyptic number.

202432334231 is a deficient number, since it is larger than the sum of its proper divisors (215125633).

202432334231 is an equidigital number, since it uses as much as digits as its factorization.

202432334231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215125632.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 202432334231 its reverse (132433234202), we get a palindrome (334865568433).

The spelling of 202432334231 in words is "two hundred two billion, four hundred thirty-two million, three hundred thirty-four thousand, two hundred thirty-one".

Divisors: 1 941 215124691 202432334231