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210432034431 = 3412720456113
BaseRepresentation
bin1100001111111010111…
…0100000011001111111
3202010011100222221110000
43003332232200121333
511421431100100211
6240400544445343
721126462531363
oct3037656403177
9663140887400
10210432034431
1181275441063
1234949319853
1316ac7685c08
14a2837872a3
155719222656
hex30feba067f

210432034431 has 20 divisors (see below), whose sum is σ = 316824293632. Its totient is φ = 139183386048.

The previous prime is 210432034367. The next prime is 210432034451. The reversal of 210432034431 is 134430234012.

210432034431 is a `hidden beast` number, since 2 + 10 + 4 + 3 + 203 + 443 + 1 = 666.

It is not a de Polignac number, because 210432034431 - 26 = 210432034367 is a prime.

It is a super-2 number, since 2×2104320344312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210432034395 and 210432034404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210432034451) 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 19 ways as a sum of consecutive naturals, for example, 10217770 + ... + 10238343.

Almost surely, 2210432034431 is an apocalyptic number.

210432034431 is a deficient number, since it is larger than the sum of its proper divisors (106392259201).

210432034431 is a wasteful number, since it uses less digits than its factorization.

210432034431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20456252 (or 20456243 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 210432034431 its reverse (134430234012), we get a palindrome (344862268443).

The spelling of 210432034431 in words is "two hundred ten billion, four hundred thirty-two million, thirty-four thousand, four hundred thirty-one".

Divisors: 1 3 9 27 81 127 381 1143 3429 10287 20456113 61368339 184105017 552315051 1656945153 2597926351 7793779053 23381337159 70144011477 210432034431