Search a number
-
+
10620600021989 = 31154647624917
BaseRepresentation
bin1001101010001100110100…
…0101110111001111100101
31101121022121212122211222222
42122203031011313033211
52343001442101200424
634331011501202125
72144212240446416
oct232431505671745
941538555584888
1010620600021989
113425197919a81
121236415560345
135c0697896249
1428a07b24980d
151363ed550e5e
hex9a8cd1773e5

10620600021989 has 8 divisors (see below), whose sum is σ = 10654961885568. Its totient is φ = 10586239518160.

The previous prime is 10620600021949. The next prime is 10620600022061. The reversal of 10620600021989 is 98912000602601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10620600021989 is a prime.

It is a super-2 number, since 2×106206000219892 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10620600021949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16682759 + ... + 17307675.

It is an arithmetic number, because the mean of its divisors is an integer number (1331870235696).

Almost surely, 210620600021989 is an apocalyptic number.

It is an amenable number.

10620600021989 is a deficient number, since it is larger than the sum of its proper divisors (34361863579).

10620600021989 is an equidigital number, since it uses as much as digits as its factorization.

10620600021989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679875.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 10620600021989 in words is "ten trillion, six hundred twenty billion, six hundred million, twenty-one thousand, nine hundred eighty-nine".

Divisors: 1 311 54647 624917 16995217 194349187 34149839299 10620600021989