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245413610161 = 632113882451
BaseRepresentation
bin1110010010001111001…
…0101000001010110001
3212110110022000010000221
43210203302220022301
513010101341011121
6304424053213041
723505402160546
oct3444362501261
9773408003027
10245413610161
1195096648725
123b690631181
131a1b0b28755
14bc41658bcd
1565b5363b41
hex3923ca82b1

245413610161 has 4 divisors (see below), whose sum is σ = 245417555824. Its totient is φ = 245409664500.

The previous prime is 245413610153. The next prime is 245413610179. The reversal of 245413610161 is 161016314542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245413610161 - 23 = 245413610153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245413610111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878015 + ... + 2004436.

It is an arithmetic number, because the mean of its divisors is an integer number (61354388956).

Almost surely, 2245413610161 is an apocalyptic number.

It is an amenable number.

245413610161 is a deficient number, since it is larger than the sum of its proper divisors (3945663).

245413610161 is an equidigital number, since it uses as much as digits as its factorization.

245413610161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945662.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 245413610161 in words is "two hundred forty-five billion, four hundred thirteen million, six hundred ten thousand, one hundred sixty-one".

Divisors: 1 63211 3882451 245413610161