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2120203031133 = 31171904909531
BaseRepresentation
bin11110110110100101111…
…100101101001001011101
321111200121121001111211010
4132312211330231021131
5234214133433444013
64302001405045433
7306115415260665
oct36664574551135
97450547044733
102120203031133
1174819a379230
122a2aab856879
13124c1b8275b5
1474892b671a5
153a240bda7c3
hex1eda5f2d25d

2120203031133 has 16 divisors (see below), whose sum is σ = 3127367342592. Its totient is φ = 1266873342000.

The previous prime is 2120203031099. The next prime is 2120203031143. The reversal of 2120203031133 is 3311303020212.

It is not a de Polignac number, because 2120203031133 - 213 = 2120203022941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120203031143) 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, 452452423 + ... + 452457108.

It is an arithmetic number, because the mean of its divisors is an integer number (195460458912).

Almost surely, 22120203031133 is an apocalyptic number.

It is an amenable number.

2120203031133 is a deficient number, since it is larger than the sum of its proper divisors (1007164311459).

2120203031133 is a wasteful number, since it uses less digits than its factorization.

2120203031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904909616.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2120203031133 its reverse (3311303020212), we get a palindrome (5431506051345).

The spelling of 2120203031133 in words is "two trillion, one hundred twenty billion, two hundred three million, thirty-one thousand, one hundred thirty-three".

Divisors: 1 3 11 33 71 213 781 2343 904909531 2714728593 9954004841 29862014523 64248576701 192745730103 706734343711 2120203031133