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2123351351 = 111391388719
BaseRepresentation
bin111111010001111…
…1100010100110111
312110222110102110122
41332203330110313
513322034220401
6550410442155
7103422121502
oct17643742467
95428412418
102123351351
1199a638330
124b313335b
1327aba5824
14162008139
15c662b21b
hex7e8fc537

2123351351 has 8 divisors (see below), whose sum is σ = 2333049600. Its totient is φ = 1916430840.

The previous prime is 2123351341. The next prime is 2123351353. The reversal of 2123351351 is 1531533212.

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 2123351351 - 218 = 2123089207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123351351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123351353) 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, 692831 + ... + 695888.

It is an arithmetic number, because the mean of its divisors is an integer number (291631200).

Almost surely, 22123351351 is an apocalyptic number.

2123351351 is a deficient number, since it is larger than the sum of its proper divisors (209698249).

2123351351 is a wasteful number, since it uses less digits than its factorization.

2123351351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388869.

The product of its digits is 2700, while the sum is 26.

The square root of 2123351351 is about 46079.8367076100. The cubic root of 2123351351 is about 1285.3082276752.

Adding to 2123351351 its reverse (1531533212), we get a palindrome (3654884563).

The spelling of 2123351351 in words is "two billion, one hundred twenty-three million, three hundred fifty-one thousand, three hundred fifty-one".

Divisors: 1 11 139 1529 1388719 15275909 193031941 2123351351