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2140121103231 = 33845331855169
BaseRepresentation
bin11111001001001001001…
…010000111101101111111
321120121000201102102010010
4133021021022013231333
5240030432000300411
64315054050314303
7310422124142016
oct37111112075577
97517021372103
102140121103231
1175569062a641
122a692a288993
13126a74248487
1475822203a7d
153aa096717a6
hex1f249287b7f

2140121103231 has 8 divisors (see below), whose sum is σ = 2853503763120. Its totient is φ = 1426742922752.

The previous prime is 2140121103199. The next prime is 2140121103233. The reversal of 2140121103231 is 1323011210412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2140121103231 - 25 = 2140121103199 is a prime.

It is a super-3 number, since 3×21401211032313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2140121103198 and 2140121103207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140121103233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226015 + ... + 2081183.

It is an arithmetic number, because the mean of its divisors is an integer number (356687970390).

Almost surely, 22140121103231 is an apocalyptic number.

2140121103231 is a deficient number, since it is larger than the sum of its proper divisors (713382659889).

2140121103231 is a wasteful number, since it uses less digits than its factorization.

2140121103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239705.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2140121103231 its reverse (1323011210412), we get a palindrome (3463132313643).

The spelling of 2140121103231 in words is "two trillion, one hundred forty billion, one hundred twenty-one million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 3 384533 1153599 1855169 5565507 713373701077 2140121103231