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3782145139 = 2397217477
BaseRepresentation
bin1110000101101110…
…1111010001110011
3100202120202212202121
43201123233101303
530221212121024
61423144255111
7162503463133
oct34133572163
910676685677
103782145139
111670a16693
12896771497
13483755506
1427c444ac3
151720908e4
hexe16ef473

3782145139 has 12 divisors (see below), whose sum is σ = 3987920304. Its totient is φ = 3580203264.

The previous prime is 3782145127. The next prime is 3782145161. The reversal of 3782145139 is 9315412873.

It is not a de Polignac number, because 3782145139 - 27 = 3782145011 is a prime.

It is a super-2 number, since 2×37821451392 = 28609243704922658642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3782145095 and 3782145104.

It is not an unprimeable number, because it can be changed into a prime (3782145739) 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 11 ways as a sum of consecutive naturals, for example, 207669 + ... + 225145.

It is an arithmetic number, because the mean of its divisors is an integer number (332326692).

Almost surely, 23782145139 is an apocalyptic number.

3782145139 is a deficient number, since it is larger than the sum of its proper divisors (205775165).

3782145139 is an equidigital number, since it uses as much as digits as its factorization.

3782145139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17694 (or 17597 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 3782145139 is about 61499.1474656357. The cubic root of 3782145139 is about 1558.0428473602.

The spelling of 3782145139 in words is "three billion, seven hundred eighty-two million, one hundred forty-five thousand, one hundred thirty-nine".

Divisors: 1 23 97 2231 9409 17477 216407 401971 1695269 38991187 164441093 3782145139