Search a number
-
+
1676071663 = 72379131777
BaseRepresentation
bin110001111100110…
…1101001011101111
311022210211021002021
41203321231023233
511413033243123
6434152011011
756351242210
oct14371551357
94283737067
101676071663
1179010a4a2
123a9390a67
1320931c0a6
1411c857407
159c228c5d
hex63e6d2ef

1676071663 has 16 divisors (see below), whose sum is σ = 2024110080. Its totient is φ = 1356765696.

The previous prime is 1676071583. The next prime is 1676071679. The reversal of 1676071663 is 3661706761.

It is a cyclic number.

It is not a de Polignac number, because 1676071663 - 29 = 1676071151 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 (1676074663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53170 + ... + 78607.

It is an arithmetic number, because the mean of its divisors is an integer number (126506880).

Almost surely, 21676071663 is an apocalyptic number.

1676071663 is a deficient number, since it is larger than the sum of its proper divisors (348038417).

1676071663 is a wasteful number, since it uses less digits than its factorization.

1676071663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131886.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 1676071663 is about 40939.8542132236. The cubic root of 1676071663 is about 1187.8570908806.

The spelling of 1676071663 in words is "one billion, six hundred seventy-six million, seventy-one thousand, six hundred sixty-three".

Divisors: 1 7 23 79 161 553 1817 12719 131777 922439 3030871 10410383 21216097 72872681 239438809 1676071663