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200040355431 = 3371058414579
BaseRepresentation
bin1011101001001101010…
…1011001011001100111
3201010100011012221202000
42322103111121121213
511234140312333211
6231521451020343
720311120652220
oct2722325313147
9633304187660
10200040355431
11779226248a4
123292913a6b3
1315b2c7ab727
1499795c8247
15530bc96656
hex2e93559667

200040355431 has 16 divisors (see below), whose sum is σ = 338692665600. Its totient is φ = 114308774424.

The previous prime is 200040355409. The next prime is 200040355481. The reversal of 200040355431 is 134553040002.

200040355431 is a `hidden beast` number, since 200 + 0 + 403 + 5 + 54 + 3 + 1 = 666.

It is not a de Polignac number, because 200040355431 - 219 = 200039831143 is a prime.

It is a super-2 number, since 2×2000403554312 (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 junction number, because it is equal to n+sod(n) for n = 200040355395 and 200040355404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200040355481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529207101 + ... + 529207478.

It is an arithmetic number, because the mean of its divisors is an integer number (21168291600).

Almost surely, 2200040355431 is an apocalyptic number.

200040355431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200040355431 is a deficient number, since it is larger than the sum of its proper divisors (138652310169).

200040355431 is a wasteful number, since it uses less digits than its factorization.

200040355431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058414595 (or 1058414589 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 200040355431 its reverse (134553040002), we get a palindrome (334593395433).

The spelling of 200040355431 in words is "two hundred billion, forty million, three hundred fifty-five thousand, four hundred thirty-one".

Divisors: 1 3 7 9 21 27 63 189 1058414579 3175243737 7408902053 9525731211 22226706159 28577193633 66680118477 200040355431