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2111313245 = 529411312711
BaseRepresentation
bin111110111011000…
…0001010101011101
312110010210211021212
41331312001111131
513310444010440
6545300434205
7103214603126
oct17566012535
95403724255
102111313245
11993865988
124ab0a8965
1327854c3a2
1416059304d
15c554e465
hex7dd8155d

2111313245 has 32 divisors (see below), whose sum is σ = 2706359040. Its totient is φ = 1578304000.

The previous prime is 2111313229. The next prime is 2111313251. The reversal of 2111313245 is 5423131112.

It is not a de Polignac number, because 2111313245 - 24 = 2111313229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111313245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777440 + ... + 780150.

It is an arithmetic number, because the mean of its divisors is an integer number (84573720).

Almost surely, 22111313245 is an apocalyptic number.

It is an amenable number.

2111313245 is a deficient number, since it is larger than the sum of its proper divisors (595045795).

2111313245 is a wasteful number, since it uses less digits than its factorization.

2111313245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917.

The product of its digits is 720, while the sum is 23.

The square root of 2111313245 is about 45949.0287710197. The cubic root of 2111313245 is about 1282.8746518821.

Adding to 2111313245 its reverse (5423131112), we get a palindrome (7534444357).

The spelling of 2111313245 in words is "two billion, one hundred eleven million, three hundred thirteen thousand, two hundred forty-five".

Divisors: 1 5 29 41 131 145 205 655 1189 2711 3799 5371 5945 13555 18995 26855 78619 111151 155759 355141 393095 555755 778795 1775705 3223379 10299089 14560781 16116895 51495445 72803905 422262649 2111313245