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45312130423 = 721413023429
BaseRepresentation
bin101010001100110100…
…000011110101110111
311022221212202201111201
4222030310003311313
51220244401133143
632452140113331
73162606516340
oct521464036567
9138855681451
1045312130423
111824257527a
128946b35847
1343717983c1
14229bcbd0c7
1512a304664d
hexa8cd03d77

45312130423 has 8 divisors (see below), whose sum is σ = 51809496480. Its totient is φ = 38820815520.

The previous prime is 45312130403. The next prime is 45312130427. The reversal of 45312130423 is 32403121354.

It is a happy number.

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 45312130423 - 213 = 45312122231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45312130391 and 45312130400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45312130427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496728 + ... + 1526701.

It is an arithmetic number, because the mean of its divisors is an integer number (6476187060).

Almost surely, 245312130423 is an apocalyptic number.

45312130423 is a deficient number, since it is larger than the sum of its proper divisors (6497366057).

45312130423 is a wasteful number, since it uses less digits than its factorization.

45312130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025577.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 45312130423 its reverse (32403121354), we get a palindrome (77715251777).

The spelling of 45312130423 in words is "forty-five billion, three hundred twelve million, one hundred thirty thousand, four hundred twenty-three".

Divisors: 1 7 2141 14987 3023429 21164003 6473161489 45312130423