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61361113 = 1110915113
BaseRepresentation
bin1110101000010…
…0101111011001
311021110110121211
43222010233121
5111202023423
610031103121
71343363242
oct352045731
9137413554
1061361113
1131700570
1218671aa1
13c935668
148213cc9
1555c110d
hex3a84bd9

61361113 has 8 divisors (see below), whose sum is σ = 67013856. Its totient is φ = 55720800.

The previous prime is 61361101. The next prime is 61361119. The reversal of 61361113 is 31116316.

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 61361113 - 25 = 61361081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61361119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9445 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (8376732).

Almost surely, 261361113 is an apocalyptic number.

It is an amenable number.

61361113 is a deficient number, since it is larger than the sum of its proper divisors (5652743).

61361113 is a wasteful number, since it uses less digits than its factorization.

61361113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215.

The product of its digits is 324, while the sum is 22.

The square root of 61361113 is about 7833.3334539007. Note that the first 3 decimals coincide. The cubic root of 61361113 is about 394.4249775547.

Adding to 61361113 its reverse (31116316), we get a palindrome (92477429).

The spelling of 61361113 in words is "sixty-one million, three hundred sixty-one thousand, one hundred thirteen".

Divisors: 1 11 1091 5113 12001 56243 5578283 61361113