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22000033203131 = 1991433227333941
BaseRepresentation
bin1010000000010010010000…
…01010100000001110111011
32212220011221010210020202102
411000021020022200032323
510340422032000000011
6114442401542454015
74430310221526044
oct500111012401673
985804833706672
1022000033203131
117012186226925
12257390673430b
13c377956a2019
14560b432b18cb
15282410c2173b
hex1402482a03bb

22000033203131 has 16 divisors (see below), whose sum is σ = 22136402174400. Its totient is φ = 21863937300480.

The previous prime is 22000033203121. The next prime is 22000033203191. The reversal of 22000033203131 is 13130233000022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22000033203131 is a prime.

It is a super-2 number, since 2×220000332031312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000033203121) 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, 648167621 + ... + 648201561.

It is an arithmetic number, because the mean of its divisors is an integer number (1383525135900).

Almost surely, 222000033203131 is an apocalyptic number.

22000033203131 is a deficient number, since it is larger than the sum of its proper divisors (136368971269).

22000033203131 is a wasteful number, since it uses less digits than its factorization.

22000033203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37846.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 22000033203131 its reverse (13130233000022), we get a palindrome (35130266203153).

The spelling of 22000033203131 in words is "twenty-two trillion, thirty-three million, two hundred three thousand, one hundred thirty-one".

Divisors: 1 199 1433 2273 33941 285167 452327 3257209 6754259 48637453 77147893 648184591 9678853147 15352430707 110552930669 22000033203131