Search a number
-
+
97111908830 = 25157405115269
BaseRepresentation
bin101101001110001010…
…0100010000111011110
3100021122220012002222002
41122130110202013132
53042341122040310
6112340153122302
710005344414426
oct1323424420736
9307586162862
1097111908830
11382041604a2
12169a26b9392
13920837b361
1449b3669486
1527d58edda5
hex169c5221de

97111908830 has 32 divisors (see below), whose sum is σ = 175969769760. Its totient is φ = 38585289600.

The previous prime is 97111908821. The next prime is 97111908853. The reversal of 97111908830 is 3880911179.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6352436 + ... + 6367704.

It is an arithmetic number, because the mean of its divisors is an integer number (5499055305).

Almost surely, 297111908830 is an apocalyptic number.

97111908830 is a deficient number, since it is larger than the sum of its proper divisors (78857860930).

97111908830 is a wasteful number, since it uses less digits than its factorization.

97111908830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19484.

The product of its (nonzero) digits is 108864, while the sum is 47.

The spelling of 97111908830 in words is "ninety-seven billion, one hundred eleven million, nine hundred eight thousand, eight hundred thirty".

Divisors: 1 2 5 10 157 314 785 1570 4051 8102 15269 20255 30538 40510 76345 152690 636007 1272014 2397233 3180035 4794466 6360070 11986165 23972330 61854719 123709438 309273595 618547190 9711190883 19422381766 48555954415 97111908830