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38093670977 = 53718748509
BaseRepresentation
bin100011011110100011…
…110100101001000001
310122022210221222200212
4203132203310221001
51111003434432402
625255555323505
72515665601145
oct433643645101
9118283858625
1038093670977
111517897a90a
1274715b0595
13379114401b
141bb5337225
15ece478952
hex8de8f4a41

38093670977 has 4 divisors (see below), whose sum is σ = 38812419540. Its totient is φ = 37374922416.

The previous prime is 38093670973. The next prime is 38093670983. The reversal of 38093670977 is 77907639083.

It is a Cunningham number, because it is equal to 1951762+1.

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 27461792656 + 10631878321 = 165716^2 + 103111^2 .

It is a cyclic number.

It is not a de Polignac number, because 38093670977 - 22 = 38093670973 is a prime.

It is a super-2 number, since 2×380936709772 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38093670973) 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 3 ways as a sum of consecutive naturals, for example, 359374202 + ... + 359374307.

It is an arithmetic number, because the mean of its divisors is an integer number (9703104885).

Almost surely, 238093670977 is an apocalyptic number.

It is an amenable number.

38093670977 is a deficient number, since it is larger than the sum of its proper divisors (718748563).

38093670977 is an equidigital number, since it uses as much as digits as its factorization.

38093670977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718748562.

The product of its (nonzero) digits is 12002256, while the sum is 59.

The spelling of 38093670977 in words is "thirty-eight billion, ninety-three million, six hundred seventy thousand, nine hundred seventy-seven".

Divisors: 1 53 718748509 38093670977