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61074502238 = 2197170990703
BaseRepresentation
bin111000111000010100…
…101111001001011110
312211122101110011201102
4320320110233021132
52000040033032423
644020210313102
74261324463201
oct707024571136
9184571404642
1061074502238
11239a0a67542
12ba05888792
1359b4251229
142d55475938
1518c6c4dc28
hexe3852f25e

61074502238 has 16 divisors (see below), whose sum is σ = 92131680960. Its totient is φ = 30364127136.

The previous prime is 61074502231. The next prime is 61074502261. The reversal of 61074502238 is 83220547016.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61074502231) 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, 627995 + ... + 718697.

It is an arithmetic number, because the mean of its divisors is an integer number (5758230060).

Almost surely, 261074502238 is an apocalyptic number.

61074502238 is a deficient number, since it is larger than the sum of its proper divisors (31057178722).

61074502238 is a wasteful number, since it uses less digits than its factorization.

61074502238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92611.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 61074502238 in words is "sixty-one billion, seventy-four million, five hundred two thousand, two hundred thirty-eight".

Divisors: 1 2 197 394 1709 3418 90703 181406 336673 673346 17868491 35736982 155011427 310022854 30537251119 61074502238