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253023052345 = 5719380485793
BaseRepresentation
bin1110101110100101011…
…0010110001000111001
3220012002121111211022221
43223221112112020321
513121142400133340
6312123122044041
724165101313310
oct3535126261071
9805077454287
10253023052345
1198340a0a218
1241054aa9621
131ab24484c6b
14c3640d9277
1568ad41344a
hex3ae9596239

253023052345 has 16 divisors (see below), whose sum is σ = 365266362240. Its totient is φ = 164369862144.

The previous prime is 253023052343. The next prime is 253023052369. The reversal of 253023052345 is 543250320352.

It is a happy number.

It is not a de Polignac number, because 253023052345 - 21 = 253023052343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253023052345.

It is not an unprimeable number, because it can be changed into a prime (253023052343) 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, 190242232 + ... + 190243561.

It is an arithmetic number, because the mean of its divisors is an integer number (22829147640).

Almost surely, 2253023052345 is an apocalyptic number.

It is an amenable number.

253023052345 is a deficient number, since it is larger than the sum of its proper divisors (112243309895).

253023052345 is a wasteful number, since it uses less digits than its factorization.

253023052345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380485824.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 253023052345 its reverse (543250320352), we get a palindrome (796273372697).

The spelling of 253023052345 in words is "two hundred fifty-three billion, twenty-three million, fifty-two thousand, three hundred forty-five".

Divisors: 1 5 7 19 35 95 133 665 380485793 1902428965 2663400551 7229230067 13317002755 36146150335 50604610469 253023052345