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3781420363 = 72323487083
BaseRepresentation
bin1110000101100011…
…1110010101001011
3100202112102001120001
43201120332111023
530221020422423
61423120543431
7162464354110
oct34130762513
910675361501
103781420363
1116705710a6
12896481b77
13483560656
1427c2d6907
15171e9acad
hexe163e54b

3781420363 has 8 divisors (see below), whose sum is σ = 4509520128. Its totient is φ = 3100294824.

The previous prime is 3781420327. The next prime is 3781420373. The reversal of 3781420363 is 3630241873.

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

It is a cyclic number.

It is not a de Polignac number, because 3781420363 - 221 = 3779323211 is a prime.

It is a super-2 number, since 2×37814203632 = 28598279923422103538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3781420373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11743381 + ... + 11743702.

It is an arithmetic number, because the mean of its divisors is an integer number (563690016).

Almost surely, 23781420363 is an apocalyptic number.

3781420363 is a deficient number, since it is larger than the sum of its proper divisors (728099765).

3781420363 is a wasteful number, since it uses less digits than its factorization.

3781420363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23487113.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 3781420363 is about 61493.2546138192. The cubic root of 3781420363 is about 1557.9433179344.

The spelling of 3781420363 in words is "three billion, seven hundred eighty-one million, four hundred twenty thousand, three hundred sixty-three".

Divisors: 1 7 23 161 23487083 164409581 540202909 3781420363