Search a number
-
+
168013000772 = 22161925943947
BaseRepresentation
bin1001110001111001011…
…0101111000001000100
3121001200010002202121022
42130132112233001010
510223042312011042
6205103433410312
715065342641331
oct2343626570104
9531603082538
10168013000772
1165287a60251
122868b269998
1312ac73b23b6
1481bbc03988
1545851a4cd2
hex271e5af044

168013000772 has 12 divisors (see below), whose sum is σ = 294204370320. Its totient is φ = 83954609256.

The previous prime is 168013000769. The next prime is 168013000867. The reversal of 168013000772 is 277000310861.

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, 12965498 + ... + 12978449.

It is an arithmetic number, because the mean of its divisors is an integer number (24517030860).

Almost surely, 2168013000772 is an apocalyptic number.

168013000772 is the 219098-th centered heptagonal number.

It is an amenable number.

168013000772 is a deficient number, since it is larger than the sum of its proper divisors (126191369548).

168013000772 is a wasteful number, since it uses less digits than its factorization.

168013000772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25945570 (or 25945568 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 168013000772 in words is "one hundred sixty-eight billion, thirteen million, seven hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 4 1619 3238 6476 25943947 51887894 103775788 42003250193 84006500386 168013000772