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3678991083 = 3712972
BaseRepresentation
bin1101101101001000…
…1111001011101011
3100111101200010000000
43123102033023223
530013310203313
61405021314043
7160111623345
oct33322171353
910441603000
103678991083
1116187704a9
12868105923
13468279201
1426c872295
15167eb6673
hexdb48f2eb

3678991083 has 24 divisors (see below), whose sum is σ = 5521902960. Its totient is φ = 2450769696.

The previous prime is 3678991051. The next prime is 3678991087. The reversal of 3678991083 is 3801998763.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 3678991083 - 25 = 3678991051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3678991087) 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 23 ways as a sum of consecutive naturals, for example, 2835891 + ... + 2837187.

It is an arithmetic number, because the mean of its divisors is an integer number (230079290).

Almost surely, 23678991083 is an apocalyptic number.

3678991083 is a deficient number, since it is larger than the sum of its proper divisors (1842911877).

3678991083 is an frugal number, since it uses more digits than its factorization.

3678991083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 3678991083 is about 60654.6872302545. The cubic root of 3678991083 is about 1543.7474210035.

The spelling of 3678991083 in words is "three billion, six hundred seventy-eight million, nine hundred ninety-one thousand, eighty-three".

Divisors: 1 3 9 27 81 243 729 1297 2187 3891 11673 35019 105057 315171 945513 1682209 2836539 5046627 15139881 45419643 136258929 408776787 1226330361 3678991083