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45021211422401 = 231957443974887
BaseRepresentation
bin10100011110010010100010…
…10100000110111011000001
312220101222121122002001002202
422033021101110012323001
521400111420111004101
6235430243051122545
712324450405653414
oct1217112124067301
9186358548061082
1045021211422401
1113388430169195
1250714b4743455
131c17635cc9c36
14b19076dabb7b
155311896ee36b
hex28f251506ec1

45021211422401 has 4 divisors (see below), whose sum is σ = 46978655397312. Its totient is φ = 43063767447492.

The previous prime is 45021211422389. The next prime is 45021211422431. The reversal of 45021211422401 is 10422411212054.

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 45021211422401 - 210 = 45021211421377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45021211422431) 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, 978721987421 + ... + 978721987466.

It is an arithmetic number, because the mean of its divisors is an integer number (11744663849328).

Almost surely, 245021211422401 is an apocalyptic number.

It is an amenable number.

45021211422401 is a deficient number, since it is larger than the sum of its proper divisors (1957443974911).

45021211422401 is a wasteful number, since it uses less digits than its factorization.

45021211422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957443974910.

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 45021211422401 its reverse (10422411212054), we get a palindrome (55443622634455).

The spelling of 45021211422401 in words is "forty-five trillion, twenty-one billion, two hundred eleven million, four hundred twenty-two thousand, four hundred one".

Divisors: 1 23 1957443974887 45021211422401