Search a number
-
+
109668512 = 253427141
BaseRepresentation
bin1101000100101…
…10100010100000
321122100201220202
412202112202200
5211033343022
614514324332
72501111162
oct642264240
9248321822
10109668512
11569a5638
12308896a8
131994a515
14107ca932
159964592
hex68968a0

109668512 has 12 divisors (see below), whose sum is σ = 215909946. Its totient is φ = 54834240.

The previous prime is 109668509. The next prime is 109668539. The reversal of 109668512 is 215866901.

It can be written as a sum of positive squares in only one way, i.e., 106584976 + 3083536 = 10324^2 + 1756^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713539 + ... + 1713602.

Almost surely, 2109668512 is an apocalyptic number.

It is an amenable number.

109668512 is a deficient number, since it is larger than the sum of its proper divisors (106241434).

109668512 is an equidigital number, since it uses as much as digits as its factorization.

109668512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427151 (or 3427143 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 109668512 is about 10472.2734876435. The cubic root of 109668512 is about 478.6601989420.

The spelling of 109668512 in words is "one hundred nine million, six hundred sixty-eight thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 3427141 6854282 13708564 27417128 54834256 109668512