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2111312377 = 23961314411
BaseRepresentation
bin111110111011000…
…0001000111111001
312110010210210002201
41331312001013321
513310443444002
6545300430201
7103214600446
oct17566010771
95403723081
102111312377
11993865269
124ab0a8361
1327854bb85
141605929cd
15c554e087
hex7dd811f9

2111312377 has 8 divisors (see below), whose sum is σ = 2123752320. Its totient is φ = 2098902960.

The previous prime is 2111312369. The next prime is 2111312429. The reversal of 2111312377 is 7732131112.

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 2111312377 - 23 = 2111312369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111313377) 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, 139302 + ... + 153712.

It is an arithmetic number, because the mean of its divisors is an integer number (265469040).

Almost surely, 22111312377 is an apocalyptic number.

It is an amenable number.

2111312377 is a deficient number, since it is larger than the sum of its proper divisors (12439943).

2111312377 is a wasteful number, since it uses less digits than its factorization.

2111312377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15263.

The product of its digits is 1764, while the sum is 28.

The square root of 2111312377 is about 45949.0193257702. The cubic root of 2111312377 is about 1282.8744760776.

Adding to 2111312377 its reverse (7732131112), we get a palindrome (9843443489).

The spelling of 2111312377 in words is "two billion, one hundred eleven million, three hundred twelve thousand, three hundred seventy-seven".

Divisors: 1 239 613 14411 146507 3444229 8833943 2111312377