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141474521561 = 660721412823
BaseRepresentation
bin1000001111000010001…
…0011110000111011001
3111112011121021100001212
42003300202132013121
54304214434142221
6144554213552505
713135604406662
oct2036042360731
9445147240055
10141474521561
1154aa9751aaa
1223503645735
1310458203369
146bc13bc369
153a303d6b5b
hex20f089e1d9

141474521561 has 4 divisors (see below), whose sum is σ = 141495940992. Its totient is φ = 141453102132.

The previous prime is 141474521549. The next prime is 141474521599. The reversal of 141474521561 is 165125474141.

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 141474521561 - 218 = 141474259417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141474521761) 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, 10699805 + ... + 10713018.

It is an arithmetic number, because the mean of its divisors is an integer number (35373985248).

Almost surely, 2141474521561 is an apocalyptic number.

It is an amenable number.

141474521561 is a deficient number, since it is larger than the sum of its proper divisors (21419431).

141474521561 is an equidigital number, since it uses as much as digits as its factorization.

141474521561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21419430.

The product of its digits is 134400, while the sum is 41.

The spelling of 141474521561 in words is "one hundred forty-one billion, four hundred seventy-four million, five hundred twenty-one thousand, five hundred sixty-one".

Divisors: 1 6607 21412823 141474521561