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3100893485 = 5620178697
BaseRepresentation
bin1011100011010011…
…1110000100101101
322000002212201011212
42320310332010231
522322312042420
61231410524205
7136562105534
oct27064760455
98002781155
103100893485
111351412198
12726596665
133a557b921
14215b8b31b
151323733c5
hexb8d3e12d

3100893485 has 4 divisors (see below), whose sum is σ = 3721072188. Its totient is φ = 2480714784.

The previous prime is 3100893473. The next prime is 3100893487. The reversal of 3100893485 is 5843980013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5843980013 = 5939854941.

It can be written as a sum of positive squares in 2 ways, for example, as 771672841 + 2329220644 = 27779^2 + 48262^2 .

It is a cyclic number.

It is not a de Polignac number, because 3100893485 - 228 = 2832458029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100893487) 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, 310089344 + ... + 310089353.

It is an arithmetic number, because the mean of its divisors is an integer number (930268047).

Almost surely, 23100893485 is an apocalyptic number.

It is an amenable number.

3100893485 is a deficient number, since it is larger than the sum of its proper divisors (620178703).

3100893485 is an equidigital number, since it uses as much as digits as its factorization.

3100893485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620178702.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 3100893485 is about 55685.6667823956. Note that the first 3 decimals coincide. The cubic root of 3100893485 is about 1458.2398073427.

The spelling of 3100893485 in words is "three billion, one hundred million, eight hundred ninety-three thousand, four hundred eighty-five".

Divisors: 1 5 620178697 3100893485