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2120212331213 = 88714871607477
BaseRepresentation
bin11110110110100110100…
…000001011101011001101
321111200122020120000010112
4132312212200023223031
5234214143324044323
64302002340245405
7306115560313634
oct36664640135315
97450566500115
102120212331213
117481a4650549
122a2ab29a0865
13124c207326c2
14748940a851b
153a241926178
hex1eda680bacd

2120212331213 has 8 divisors (see below), whose sum is σ = 2124031410432. Its totient is φ = 2116396471696.

The previous prime is 2120212331173. The next prime is 2120212331219. The reversal of 2120212331213 is 3121332120212.

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 2120212331213 - 218 = 2120212069069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120212331219) 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, 515231 + ... + 2122707.

It is an arithmetic number, because the mean of its divisors is an integer number (265503926304).

Almost surely, 22120212331213 is an apocalyptic number.

It is an amenable number.

2120212331213 is a deficient number, since it is larger than the sum of its proper divisors (3819079219).

2120212331213 is a wasteful number, since it uses less digits than its factorization.

2120212331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609851.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2120212331213 its reverse (3121332120212), we get a palindrome (5241544451425).

The spelling of 2120212331213 in words is "two trillion, one hundred twenty billion, two hundred twelve million, three hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 887 1487 1318969 1607477 1425832099 2390318299 2120212331213