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61042283247 = 31117591051601
BaseRepresentation
bin111000110110011001…
…110101001011101111
312211120010211021120110
4320312121311023233
52000003311030442
644013055551103
74260453563241
oct706631651357
9184503737513
1061042283247
1123984860980
12b9b6b2b493
1359aa68023a
142d5108a091
1518c3ed769c
hexe366752ef

61042283247 has 16 divisors (see below), whose sum is σ = 88839336960. Its totient is φ = 36974256000.

The previous prime is 61042283209. The next prime is 61042283273. The reversal of 61042283247 is 74238224016.

It is a happy number.

It is not a de Polignac number, because 61042283247 - 27 = 61042283119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61042283297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467754 + ... + 583847.

It is an arithmetic number, because the mean of its divisors is an integer number (5552458560).

Almost surely, 261042283247 is an apocalyptic number.

61042283247 is a deficient number, since it is larger than the sum of its proper divisors (27797053713).

61042283247 is a wasteful number, since it uses less digits than its factorization.

61042283247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053374.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 61042283247 in words is "sixty-one billion, forty-two million, two hundred eighty-three thousand, two hundred forty-seven".

Divisors: 1 3 11 33 1759 5277 19349 58047 1051601 3154803 11567611 34702833 1849766159 5549298477 20347427749 61042283247