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3111137406 = 2321319699761
BaseRepresentation
bin1011100101110000…
…0011000001111110
322000211011011012100
42321130003001332
522332422344111
61232414245530
7140045142306
oct27134030176
98024134170
103111137406
111357179643
12729ab68a6
133a7727510
14217296606
151331e8756
hexb970307e

3111137406 has 48 divisors (see below), whose sum is σ = 7641401040. Its totient is φ = 906888960.

The previous prime is 3111137399. The next prime is 3111137417. The reversal of 3111137406 is 6047311113.

3111137406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3111137406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345435 + ... + 354326.

It is an arithmetic number, because the mean of its divisors is an integer number (159195855).

Almost surely, 23111137406 is an apocalyptic number.

3111137406 is an abundant number, since it is smaller than the sum of its proper divisors (4530263634).

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

3111137406 is a wasteful number, since it uses less digits than its factorization.

3111137406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699801 (or 699798 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 3111137406 is about 55777.5708147997. The cubic root of 3111137406 is about 1459.8438261047.

Adding to 3111137406 its reverse (6047311113), we get a palindrome (9158448519).

The spelling of 3111137406 in words is "three billion, one hundred eleven million, one hundred thirty-seven thousand, four hundred six".

Divisors: 1 2 3 6 9 13 18 19 26 38 39 57 78 114 117 171 234 247 342 494 741 1482 2223 4446 699761 1399522 2099283 4198566 6297849 9096893 12595698 13295459 18193786 26590918 27290679 39886377 54581358 79772754 81872037 119659131 163744074 172840967 239318262 345681934 518522901 1037045802 1555568703 3111137406