Search a number
-
+
2111331120312 = 233199673440581
BaseRepresentation
bin11110101110010101001…
…001000011010010111000
321110211201021222202010110
4132232111021003102320
5234043001231322222
64253533201144320
7305352516261531
oct36562511032270
97424637882113
102111331120312
11744457414327
122a123462b0a0
1312413677411b
1474290775688
1539dc1db130c
hex1eb952434b8

2111331120312 has 32 divisors (see below), whose sum is σ = 5278366216080. Its totient is φ = 703771918080.

The previous prime is 2111331120299. The next prime is 2111331120329. The reversal of 2111331120312 is 2130211331112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571862 + ... + 5012442.

Almost surely, 22111331120312 is an apocalyptic number.

It is an amenable number.

2111331120312 is an abundant number, since it is smaller than the sum of its proper divisors (3167035095768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111331120312 is a wasteful number, since it uses less digits than its factorization.

2111331120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640263 (or 640259 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2111331120312 its reverse (2130211331112), we get a palindrome (4241542451424).

The spelling of 2111331120312 in words is "two trillion, one hundred eleven billion, three hundred thirty-one million, one hundred twenty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 199673 399346 440581 599019 798692 881162 1198038 1321743 1597384 1762324 2396076 2643486 3524648 4792152 5286972 10573944 87972130013 175944260026 263916390039 351888520052 527832780078 703777040104 1055665560156 2111331120312