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200021333431 = 4329365924091
BaseRepresentation
bin1011101001001000110…
…0110101010110110111
3201010021211102112110111
42322102030311112313
511234120430132211
6231515531203451
720310500165413
oct2722214652667
9633254375414
10200021333431
1177912912337
12329228a6587
1315b2887b4ca
149976c75d43
15530a28a421
hex2e923355b7

200021333431 has 16 divisors (see below), whose sum is σ = 205691713920. Its totient is φ = 194399362080.

The previous prime is 200021333401. The next prime is 200021333441. The reversal of 200021333431 is 134333120002.

It is a cyclic number.

It is not a de Polignac number, because 200021333431 - 213 = 200021325239 is a prime.

It is a super-2 number, since 2×2000213334312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021333401) 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, 8290696 + ... + 8314786.

It is an arithmetic number, because the mean of its divisors is an integer number (12855732120).

Almost surely, 2200021333431 is an apocalyptic number.

200021333431 is a deficient number, since it is larger than the sum of its proper divisors (5670380489).

200021333431 is a wasteful number, since it uses less digits than its factorization.

200021333431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25086.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 200021333431 its reverse (134333120002), we get a palindrome (334354453433).

The spelling of 200021333431 in words is "two hundred billion, twenty-one million, three hundred thirty-three thousand, four hundred thirty-one".

Divisors: 1 43 293 659 12599 24091 28337 193087 1035913 7058663 8302741 15875969 303522509 682666667 4651658917 200021333431