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3163109390 = 257107422311
BaseRepresentation
bin1011110010001001…
…0011100000001110
322011102221121100122
42330202103200032
522434224000030
61241512224542
7141245662160
oct27442234016
98142847318
103163109390
1113835469a1
1274339b152
133b542337c
14220144930
15137a628e5
hexbc89380e

3163109390 has 32 divisors (see below), whose sum is σ = 6567796224. Its totient is φ = 1074356640.

The previous prime is 3163109351. The next prime is 3163109393. The reversal of 3163109390 is 939013613.

It is a super-2 number, since 2×31631093902 = 20010522026212344200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3163109390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3163109393) 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, 203666 + ... + 218645.

It is an arithmetic number, because the mean of its divisors is an integer number (205243632).

Almost surely, 23163109390 is an apocalyptic number.

3163109390 is an abundant number, since it is smaller than the sum of its proper divisors (3404686834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3163109390 is a wasteful number, since it uses less digits than its factorization.

3163109390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422432.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 3163109390 is about 56241.5272730035. The cubic root of 3163109390 is about 1467.9279412716.

The spelling of 3163109390 in words is "three billion, one hundred sixty-three million, one hundred nine thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 107 214 535 749 1070 1498 3745 7490 422311 844622 2111555 2956177 4223110 5912354 14780885 29561770 45187277 90374554 225936385 316310939 451872770 632621878 1581554695 3163109390