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61324442315 = 517443703141
BaseRepresentation
bin111001000111001110…
…001011101011001011
312212021210202110001022
4321013032023223023
52001043024123230
644101055343055
74300451105363
oct710716135313
9185253673038
1061324442315
112400a05a194
12ba75521a8b
135a23c72576
142d7a7379a3
1518ddb701e5
hexe4738bacb

61324442315 has 8 divisors (see below), whose sum is σ = 73593654288. Its totient is φ = 49056671520.

The previous prime is 61324442279. The next prime is 61324442419. The reversal of 61324442315 is 51324442316.

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

It is not a de Polignac number, because 61324442315 - 224 = 61307665099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264356 + ... + 438785.

It is an arithmetic number, because the mean of its divisors is an integer number (9199206786).

Almost surely, 261324442315 is an apocalyptic number.

61324442315 is a deficient number, since it is larger than the sum of its proper divisors (12269211973).

61324442315 is a wasteful number, since it uses less digits than its factorization.

61324442315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720589.

The product of its digits is 69120, while the sum is 35.

Subtracting from 61324442315 its reverse (51324442316), we obtain a palindrome (9999999999).

The spelling of 61324442315 in words is "sixty-one billion, three hundred twenty-four million, four hundred forty-two thousand, three hundred fifteen".

Divisors: 1 5 17443 87215 703141 3515705 12264888463 61324442315