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245052314131 = 699135052541
BaseRepresentation
bin1110010000111001000…
…0011001001000010011
3212102112010011101001111
43210032100121020103
513003331343023011
6304324145314151
723463424205422
oct3441620311023
9772463141044
10245052314131
1194a20708669
123b5ab635957
131a154018b11
14bc0968b2b9
156593798121
hex390e419213

245052314131 has 4 divisors (see below), whose sum is σ = 245087373664. Its totient is φ = 245017254600.

The previous prime is 245052314107. The next prime is 245052314137. The reversal of 245052314131 is 131413250542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245052314131 - 223 = 245043925523 is a prime.

It is a super-2 number, since 2×2450523141312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245052314093 and 245052314102.

It is not an unprimeable number, because it can be changed into a prime (245052314137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17519280 + ... + 17533261.

It is an arithmetic number, because the mean of its divisors is an integer number (61271843416).

Almost surely, 2245052314131 is an apocalyptic number.

245052314131 is a deficient number, since it is larger than the sum of its proper divisors (35059533).

245052314131 is an equidigital number, since it uses as much as digits as its factorization.

245052314131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35059532.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 245052314131 its reverse (131413250542), we get a palindrome (376465564673).

The spelling of 245052314131 in words is "two hundred forty-five billion, fifty-two million, three hundred fourteen thousand, one hundred thirty-one".

Divisors: 1 6991 35052541 245052314131