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4148724137 = 29143059453
BaseRepresentation
bin1111011101001000…
…1000000110101001
3101201010120000121112
43313102020012221
531444033133022
61523401320105
7204544400435
oct36722100651
911633500545
104148724137
111839934938
12979496035
1351169496c
142b4dc99c5
151943518e2
hexf74881a9

4148724137 has 4 divisors (see below), whose sum is σ = 4291783620. Its totient is φ = 4005664656.

The previous prime is 4148724121. The next prime is 4148724187. The reversal of 4148724137 is 7314278414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 651066256 + 3497657881 = 25516^2 + 59141^2 .

It is a cyclic number.

It is not a de Polignac number, because 4148724137 - 24 = 4148724121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4148724094 and 4148724103.

It is not an unprimeable number, because it can be changed into a prime (4148724187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71529698 + ... + 71529755.

It is an arithmetic number, because the mean of its divisors is an integer number (1072945905).

Almost surely, 24148724137 is an apocalyptic number.

It is an amenable number.

4148724137 is a deficient number, since it is larger than the sum of its proper divisors (143059483).

4148724137 is a wasteful number, since it uses less digits than its factorization.

4148724137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143059482.

The product of its digits is 150528, while the sum is 41.

The square root of 4148724137 is about 64410.5902550194. The cubic root of 4148724137 is about 1606.8358746730.

The spelling of 4148724137 in words is "four billion, one hundred forty-eight million, seven hundred twenty-four thousand, one hundred thirty-seven".

Divisors: 1 29 143059453 4148724137