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45001530121 = 157312860691
BaseRepresentation
bin101001111010010011…
…001101101100001001
311022011020022120222211
4221322103031230021
51214130342430441
632401242545121
73152115460162
oct517223155411
9138136276884
1045001530121
11180a3210709
12887ab081a1
134322328742
14226c94a769
151285b41a81
hexa7a4cdb09

45001530121 has 4 divisors (see below), whose sum is σ = 45004406544. Its totient is φ = 44998653700.

The previous prime is 45001530113. The next prime is 45001530131. The reversal of 45001530121 is 12103510054.

It is a happy number.

45001530121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45001530121 - 23 = 45001530113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45001530092 and 45001530101.

It is not an unprimeable number, because it can be changed into a prime (45001530131) 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, 1414615 + ... + 1446076.

It is an arithmetic number, because the mean of its divisors is an integer number (11251101636).

Almost surely, 245001530121 is an apocalyptic number.

It is an amenable number.

45001530121 is a deficient number, since it is larger than the sum of its proper divisors (2876423).

45001530121 is a wasteful number, since it uses less digits than its factorization.

45001530121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876422.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 45001530121 in words is "forty-five billion, one million, five hundred thirty thousand, one hundred twenty-one".

Divisors: 1 15731 2860691 45001530121