Search a number
-
+
6980100917 = 211251131797
BaseRepresentation
bin1101000000000101…
…11110001100110101
3200000110021212101012
412200002332030311
5103243401212132
63112343442005
7334654610306
oct64002761465
920013255335
106980100917
112a620a3149
121429756305
1387315973a
144a305a7ad
152acbd80b2
hex1a00be335

6980100917 has 8 divisors (see below), whose sum is σ = 7041176352. Its totient is φ = 6919290000.

The previous prime is 6980100893. The next prime is 6980100929. The reversal of 6980100917 is 7190010896.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6980100917 - 224 = 6963323701 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 (6980102917) 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, 12938 + ... + 118859.

It is an arithmetic number, because the mean of its divisors is an integer number (880147044).

Almost surely, 26980100917 is an apocalyptic number.

It is an amenable number.

6980100917 is a deficient number, since it is larger than the sum of its proper divisors (61075435).

6980100917 is a wasteful number, since it uses less digits than its factorization.

6980100917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132259.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 6980100917 is about 83546.9982524806. The cubic root of 6980100917 is about 1911.1168159412.

The spelling of 6980100917 in words is "six billion, nine hundred eighty million, one hundred thousand, nine hundred seventeen".

Divisors: 1 211 251 52961 131797 27809167 33081047 6980100917