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45730530121 = 311475178391
BaseRepresentation
bin101010100101110000…
…001000001101001001
311101001001001121222211
4222211300020031021
51222124003430441
633001443545121
73206150043463
oct524560101511
9141031047884
1045730530121
1118437768151
128a4308b1a1
13440a37c8a3
1422db6b3133
1512c9b41a81
hexaa5c08349

45730530121 has 4 divisors (see below), whose sum is σ = 47205708544. Its totient is φ = 44255351700.

The previous prime is 45730530119. The next prime is 45730530173. The reversal of 45730530121 is 12103503754.

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 45730530121 - 21 = 45730530119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1475178391 = 45730530121 / (4 + 5 + 7 + 3 + 0 + 5 + 3 + 0 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45730530221) 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, 737589165 + ... + 737589226.

It is an arithmetic number, because the mean of its divisors is an integer number (11801427136).

Almost surely, 245730530121 is an apocalyptic number.

It is an amenable number.

45730530121 is a deficient number, since it is larger than the sum of its proper divisors (1475178423).

45730530121 is a wasteful number, since it uses less digits than its factorization.

45730530121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475178422.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 45730530121 in words is "forty-five billion, seven hundred thirty million, five hundred thirty thousand, one hundred twenty-one".

Divisors: 1 31 1475178391 45730530121