Search a number
-
+
7685133080 = 235478340169
BaseRepresentation
bin1110010100001000…
…11101001100011000
3201211120221012200112
413022010131030120
5111214343224310
63310331023452
7361305360542
oct71204351430
921746835615
107685133080
11329406a259
1215a589ab88
1395623b431
1452c944692
152eea51705
hex1ca11d318

7685133080 has 32 divisors (see below), whose sum is σ = 17295595200. Its totient is φ = 3073334016.

The previous prime is 7685133077. The next prime is 7685133097. The reversal of 7685133080 is 803315867.

It is a super-2 number, since 2×76851330802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171236 + ... + 211404.

It is an arithmetic number, because the mean of its divisors is an integer number (540487350).

Almost surely, 27685133080 is an apocalyptic number.

It is an amenable number.

7685133080 is an abundant number, since it is smaller than the sum of its proper divisors (9610462120).

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

7685133080 is a wasteful number, since it uses less digits than its factorization.

7685133080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44963 (or 44959 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 7685133080 is about 87664.8908058409. The cubic root of 7685133080 is about 1973.4091193451.

The spelling of 7685133080 in words is "seven billion, six hundred eighty-five million, one hundred thirty-three thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 4783 9566 19132 23915 38264 40169 47830 80338 95660 160676 191320 200845 321352 401690 803380 1606760 192128327 384256654 768513308 960641635 1537026616 1921283270 3842566540 7685133080