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1945084541401 = 2963656457827
BaseRepresentation
bin11100010011100000000…
…100101011100111011001
320212221121021201111210001
4130103200010223213121
5223332013120311101
64045320504053001
7260346002544151
oct34234004534731
96787537644701
101945084541401
1168a9a6573a61
12274b78a64161
13111561326281
146a1dd3c7761
15358e1d30901
hex1c4e012b9d9

1945084541401 has 4 divisors (see below), whose sum is σ = 1945741002192. Its totient is φ = 1944428080612.

The previous prime is 1945084541363. The next prime is 1945084541443. The reversal of 1945084541401 is 1041454805491.

It is a happy number.

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 1945084541401 - 237 = 1807645587929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1945084547401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328225951 + ... + 328231876.

It is an arithmetic number, because the mean of its divisors is an integer number (486435250548).

Almost surely, 21945084541401 is an apocalyptic number.

It is an amenable number.

1945084541401 is a deficient number, since it is larger than the sum of its proper divisors (656460791).

1945084541401 is an equidigital number, since it uses as much as digits as its factorization.

1945084541401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656460790.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 1945084541401 in words is "one trillion, nine hundred forty-five billion, eighty-four million, five hundred forty-one thousand, four hundred one".

Divisors: 1 2963 656457827 1945084541401