Search a number
-
+
8679869042 = 213539764937
BaseRepresentation
bin10000001010101110…
…00100101001110010
3211101220201000220012
420011113010221302
5120234021302132
63553143414522
7425044445435
oct100527045162
924356630805
108679869042
113754618099
121822a54442
13a843545b0
145c4ac181c
1535c0430b2
hex2055c4a72

8679869042 has 32 divisors (see below), whose sum is σ = 14433379632. Its totient is φ = 3889926144.

The previous prime is 8679869021. The next prime is 8679869089. The reversal of 8679869042 is 2409689768.

It can be written as a sum of positive squares in 8 ways, for example, as 5310182641 + 3369686401 = 72871^2 + 58049^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 101198 + ... + 166134.

Almost surely, 28679869042 is an apocalyptic number.

8679869042 is a deficient number, since it is larger than the sum of its proper divisors (5753510590).

8679869042 is a wasteful number, since it uses less digits than its factorization.

8679869042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65102.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The square root of 8679869042 is about 93165.8147712990. The cubic root of 8679869042 is about 2055.1225483638.

The spelling of 8679869042 in words is "eight billion, six hundred seventy-nine million, eight hundred sixty-nine thousand, forty-two".

Divisors: 1 2 13 26 53 97 106 194 689 1261 1378 2522 5141 10282 64937 66833 129874 133666 844181 1688362 3441661 6298889 6883322 12597778 44741593 81885557 89483186 163771114 333841117 667682234 4339934521 8679869042