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45189805140481 = 176947382643419
BaseRepresentation
bin10100100011001100100100…
…10010000110101000000001
312221000002210012220022002111
422101212102102012220001
521410342210103443411
6240035524311415321
712342566332633321
oct1221462222065001
9187002705808074
1045189805140481
11134429859a69a1
12509a106384541
131c2a4c37b6131
14b232abd79281
15535755863721
hex291992486a01

45189805140481 has 8 divisors (see below), whose sum is σ = 47854916678880. Its totient is φ = 42525458902848.

The previous prime is 45189805140437. The next prime is 45189805140509. The reversal of 45189805140481 is 18404150898154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45189805140481 - 223 = 45189796751873 is a prime.

It is a super-2 number, since 2×451898051404812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45189805140401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191203611 + ... + 191439808.

It is an arithmetic number, because the mean of its divisors is an integer number (5981864584860).

Almost surely, 245189805140481 is an apocalyptic number.

It is an amenable number.

45189805140481 is a deficient number, since it is larger than the sum of its proper divisors (2665111538399).

45189805140481 is a wasteful number, since it uses less digits than its factorization.

45189805140481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382650383.

The product of its (nonzero) digits is 7372800, while the sum is 58.

The spelling of 45189805140481 in words is "forty-five trillion, one hundred eighty-nine billion, eight hundred five million, one hundred forty thousand, four hundred eighty-one".

Divisors: 1 17 6947 118099 382643419 6504938123 2658223831793 45189805140481