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245311551040001 = 1271931587016063
BaseRepresentation
bin110111110001110000001011…
…110110111110101000000001
31012011120112222202220212001112
4313301300023312332220001
5224123141024031240001
62225422323142213105
7102446113630314455
oct6761601366765001
91164515882825045
10245311551040001
1171189054337526
122361b032124195
13a6b5a1a8897c4
1444811dcb38665
151d561b2cc6cbb
hexdf1c0bdbea01

245311551040001 has 4 divisors (see below), whose sum is σ = 247243138056192. Its totient is φ = 243379964023812.

The previous prime is 245311551039943. The next prime is 245311551040027. The reversal of 245311551040001 is 100040155113542.

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 245311551040001 - 242 = 240913504528897 is a prime.

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 245311551040001.

It is not an unprimeable number, because it can be changed into a prime (245311551040091) 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, 965793507905 + ... + 965793508158.

It is an arithmetic number, because the mean of its divisors is an integer number (61810784514048).

Almost surely, 2245311551040001 is an apocalyptic number.

It is an amenable number.

245311551040001 is a deficient number, since it is larger than the sum of its proper divisors (1931587016191).

245311551040001 is a wasteful number, since it uses less digits than its factorization.

245311551040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931587016190.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 245311551040001 in words is "two hundred forty-five trillion, three hundred eleven billion, five hundred fifty-one million, forty thousand, one".

Divisors: 1 127 1931587016063 245311551040001