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245240043311 = 4183619116423
BaseRepresentation
bin1110010001100101110…
…0100001011100101111
3212110000012102000002002
43210121130201130233
513004222422341221
6304354533122515
723501163655004
oct3443134413457
9773005360062
10245240043311
119500767a34a
123b64248943b
131a183b97a83
14bc265978ab
1565a4ecb80b
hex391972172f

245240043311 has 16 divisors (see below), whose sum is σ = 254661200640. Its totient is φ = 235992050880.

The previous prime is 245240043289. The next prime is 245240043313. The reversal of 245240043311 is 113340042542.

It is not a de Polignac number, because 245240043311 - 218 = 245239781167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245240043313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2048246 + ... + 2164668.

It is an arithmetic number, because the mean of its divisors is an integer number (15916325040).

Almost surely, 2245240043311 is an apocalyptic number.

245240043311 is a deficient number, since it is larger than the sum of its proper divisors (9421157329).

245240043311 is a wasteful number, since it uses less digits than its factorization.

245240043311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117166.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 245240043311 its reverse (113340042542), we get a palindrome (358580085853).

The spelling of 245240043311 in words is "two hundred forty-five billion, two hundred forty million, forty-three thousand, three hundred eleven".

Divisors: 1 41 83 619 3403 25379 51377 116423 2106457 4773343 9663109 72065837 396187469 2954699317 5981464471 245240043311