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245130032051 = 487750262463
BaseRepresentation
bin1110010001001011100…
…0110111001110110011
3212102201112101211222222
43210102320313032303
513004011242011201
6304340003151255
723465356615322
oct3442270671663
9772645354888
10245130032051
1194a60570253
123b61167552b
131a16715a558
14bc15b1c0b9
15659a4ea91b
hex3912e373b3

245130032051 has 4 divisors (see below), whose sum is σ = 245180299392. Its totient is φ = 245079764712.

The previous prime is 245130032041. The next prime is 245130032057. The reversal of 245130032051 is 150230031542.

It is a happy number.

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 245130032051 - 26 = 245130031987 is a prime.

It is a super-2 number, since 2×2451300320512 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245130032051.

It is not an unprimeable number, because it can be changed into a prime (245130032057) 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, 25126355 + ... + 25136108.

It is an arithmetic number, because the mean of its divisors is an integer number (61295074848).

Almost surely, 2245130032051 is an apocalyptic number.

245130032051 is a deficient number, since it is larger than the sum of its proper divisors (50267341).

245130032051 is an equidigital number, since it uses as much as digits as its factorization.

245130032051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50267340.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 245130032051 its reverse (150230031542), we get a palindrome (395360063593).

The spelling of 245130032051 in words is "two hundred forty-five billion, one hundred thirty million, thirty-two thousand, fifty-one".

Divisors: 1 4877 50262463 245130032051