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200022001993 = 1161367812249
BaseRepresentation
bin1011101001001000111…
…1011000100101001001
3201010021212200111120001
42322102033120211021
511234121113030433
6231515553403001
720310505651522
oct2722217304511
9633255614501
10200022001993
1177913229670
1232922b69461
1315b28a538c8
149976dab849
15530a36d57d
hex2e923d8949

200022001993 has 16 divisors (see below), whose sum is σ = 222387552000. Its totient is φ = 178369660800.

The previous prime is 200022001979. The next prime is 200022002021. The reversal of 200022001993 is 399100220002.

It is not a de Polignac number, because 200022001993 - 217 = 200021870921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200022001943) 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, 159868 + ... + 652381.

It is an arithmetic number, because the mean of its divisors is an integer number (13899222000).

Almost surely, 2200022001993 is an apocalyptic number.

It is an amenable number.

200022001993 is a deficient number, since it is larger than the sum of its proper divisors (22365550007).

200022001993 is a wasteful number, since it uses less digits than its factorization.

200022001993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812688.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 200022001993 its reverse (399100220002), we get a palindrome (599122221995).

The spelling of 200022001993 in words is "two hundred billion, twenty-two million, one thousand, nine hundred ninety-three".

Divisors: 1 11 61 367 671 4037 22387 246257 812249 8934739 49547189 298095383 545019079 3279049213 18183818363 200022001993