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61511152341 = 3145314111299
BaseRepresentation
bin111001010010010110…
…011011001011010101
312212202211002022001110
4321102112123023111
52001433323333331
644131405245233
74305206111442
oct712226331325
9185684068043
1061511152341
11240a54951a1
12bb07b63819
135a53855682
142d9745a9c9
151900251946
hexe5259b2d5

61511152341 has 8 divisors (see below), whose sum is σ = 82071320800. Its totient is φ = 40979209392.

The previous prime is 61511152337. The next prime is 61511152361. The reversal of 61511152341 is 14325111516.

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

It is not a de Polignac number, because 61511152341 - 22 = 61511152337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61511152299 and 61511152308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61511152331) 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, 7051291 + ... + 7060008.

It is an arithmetic number, because the mean of its divisors is an integer number (10258915100).

Almost surely, 261511152341 is an apocalyptic number.

It is an amenable number.

61511152341 is a deficient number, since it is larger than the sum of its proper divisors (20560168459).

61511152341 is a wasteful number, since it uses less digits than its factorization.

61511152341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14112755.

The product of its digits is 3600, while the sum is 30.

Adding to 61511152341 its reverse (14325111516), we get a palindrome (75836263857).

The spelling of 61511152341 in words is "sixty-one billion, five hundred eleven million, one hundred fifty-two thousand, three hundred forty-one".

Divisors: 1 3 1453 4359 14111299 42333897 20503717447 61511152341