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38786144762434 = 2171140768963601
BaseRepresentation
bin10001101000110100110100…
…11000010111101001000010
312002022220211010010220111011
420310122122120113221002
520040433011024344214
6214254035305511134
711112130552546036
oct1064323230275102
9162286733126434
1038786144762434
11113a4125624a23
1244250214a24aa
131884696687b44
1498138bbdc1c6
15473db3995ac4
hex23469a617a42

38786144762434 has 8 divisors (see below), whose sum is σ = 61601524034508. Its totient is φ = 18252303417600.

The previous prime is 38786144762419. The next prime is 38786144762447. The reversal of 38786144762434 is 43426744168783.

It can be written as a sum of positive squares in 2 ways, for example, as 37166641638025 + 1619503124409 = 6096445^2 + 1272597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38786144762434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570384481767 + ... + 570384481834.

Almost surely, 238786144762434 is an apocalyptic number.

38786144762434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

38786144762434 is a deficient number, since it is larger than the sum of its proper divisors (22815379272074).

38786144762434 is a wasteful number, since it uses less digits than its factorization.

38786144762434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140768963620.

The product of its digits is 520224768, while the sum is 67.

The spelling of 38786144762434 in words is "thirty-eight trillion, seven hundred eighty-six billion, one hundred forty-four million, seven hundred sixty-two thousand, four hundred thirty-four".

Divisors: 1 2 17 34 1140768963601 2281537927202 19393072381217 38786144762434