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8664936834 = 233739031247
BaseRepresentation
bin10000001000111100…
…00111000110000010
3211100212121101202110
420010132013012002
5120221210434314
63551451400150
7424503514341
oct100436070602
924325541673
108664936834
113747149324
121819a53056
13a81226a78
145c2b15b58
1535aa93a59
hex204787182

8664936834 has 16 divisors (see below), whose sum is σ = 17798249088. Its totient is φ = 2810249712.

The previous prime is 8664936817. The next prime is 8664936853. The reversal of 8664936834 is 4386394668.

It is a happy number.

It is a super-2 number, since 2×86649368342 (a number of 21 digits) contains 22 as substring.

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, 19515402 + ... + 19515845.

It is an arithmetic number, because the mean of its divisors is an integer number (1112390568).

Almost surely, 28664936834 is an apocalyptic number.

8664936834 is an abundant number, since it is smaller than the sum of its proper divisors (9133312254).

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

8664936834 is a wasteful number, since it uses less digits than its factorization.

8664936834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39031289.

The product of its digits is 17915904, while the sum is 57.

The square root of 8664936834 is about 93085.6424697171. The cubic root of 8664936834 is about 2053.9433780498.

The spelling of 8664936834 in words is "eight billion, six hundred sixty-four million, nine hundred thirty-six thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 37 74 111 222 39031247 78062494 117093741 234187482 1444156139 2888312278 4332468417 8664936834