Search a number
-
+
16386948707770 = 251638694870777
BaseRepresentation
bin1110111001110110001001…
…0000011011010110111010
32011000120120122000211112201
43232131202100123112322
54121440432332122040
654504021005500414
73310626602533024
oct356354220332672
964016518024481
1016386948707770
11524873637a843
121a07a97b7170a
1391b389c36314
144091bda03014
151d63deadea9a
hexee76241b5ba

16386948707770 has 8 divisors (see below), whose sum is σ = 29496507674004. Its totient is φ = 6554779483104.

The previous prime is 16386948707651. The next prime is 16386948707783. The reversal of 16386948707770 is 7770784968361.

It can be written as a sum of positive squares in 2 ways, for example, as 16374154157001 + 12794550769 = 4046499^2 + 113113^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16386948707693 and 16386948707702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819347435379 + ... + 819347435398.

Almost surely, 216386948707770 is an apocalyptic number.

16386948707770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16386948707770 is a deficient number, since it is larger than the sum of its proper divisors (13109558966234).

16386948707770 is a wasteful number, since it uses less digits than its factorization.

16386948707770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638694870784.

The product of its (nonzero) digits is 597445632, while the sum is 73.

The spelling of 16386948707770 in words is "sixteen trillion, three hundred eighty-six billion, nine hundred forty-eight million, seven hundred seven thousand, seven hundred seventy".

Divisors: 1 2 5 10 1638694870777 3277389741554 8193474353885 16386948707770