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38430440862683 = 42635390137611
BaseRepresentation
bin10001011110011110010001…
…10001101011001111011011
312001001220200111111120121212
420233033020301223033123
520014121020330101213
6213422411212453335
711044336102360322
oct1057171061531733
9161056614446555
1038430440862683
1111277292a95341
1243880b0a7a24b
131859c8a18450c
1496c0869d70b9
154699e5ce79a8
hex22f3c8c6b3db

38430440862683 has 4 divisors (see below), whose sum is σ = 38430531426648. Its totient is φ = 38430350298720.

The previous prime is 38430440862641. The next prime is 38430440862689. The reversal of 38430440862683 is 38626804403483.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38430440862683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38430440862689) 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, 44642453 + ... + 45495158.

It is an arithmetic number, because the mean of its divisors is an integer number (9607632856662).

Almost surely, 238430440862683 is an apocalyptic number.

38430440862683 is a deficient number, since it is larger than the sum of its proper divisors (90563965).

38430440862683 is an equidigital number, since it uses as much as digits as its factorization.

38430440862683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90563964.

The product of its (nonzero) digits is 63700992, while the sum is 59.

The spelling of 38430440862683 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty million, eight hundred sixty-two thousand, six hundred eighty-three".

Divisors: 1 426353 90137611 38430440862683