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3138424705 = 513791394397
BaseRepresentation
bin1011101100010000…
…1000111110000001
322002201111111100001
42323010020332001
522411414042310
61235231200001
7140526112153
oct27304107601
98081444301
103138424705
111370616a29
12737076001
133b028c850
1421ab5aad3
151357d893a
hexbb108f81

3138424705 has 32 divisors (see below), whose sum is σ = 4137638400. Its totient is φ = 2271290112.

The previous prime is 3138424699. The next prime is 3138424759. The reversal of 3138424705 is 5074248313.

It is a happy number.

It is not a de Polignac number, because 3138424705 - 25 = 3138424673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711567 + ... + 715963.

It is an arithmetic number, because the mean of its divisors is an integer number (129301200).

Almost surely, 23138424705 is an apocalyptic number.

It is an amenable number.

3138424705 is a deficient number, since it is larger than the sum of its proper divisors (999213695).

3138424705 is a wasteful number, since it uses less digits than its factorization.

3138424705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 3138424705 is about 56021.6449687083. The cubic root of 3138424705 is about 1464.0994290381.

The spelling of 3138424705 in words is "three billion, one hundred thirty-eight million, four hundred twenty-four thousand, seven hundred five".

Divisors: 1 5 13 65 79 139 395 695 1027 1807 4397 5135 9035 10981 21985 54905 57161 142753 285805 347363 611183 713765 1736815 3055915 4515719 7945379 22578595 39726895 48283457 241417285 627684941 3138424705