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116663771 = 794717599
BaseRepresentation
bin1101111010000…
…10010111011011
322010112010121102
412331002113123
5214331220041
615324302015
72614424420
oct675022733
9263463542
10116663771
115a943244
12330a190b
131b229523
14116cbd47
15a39709b
hex6f425db

116663771 has 8 divisors (see below), whose sum is σ = 133478400. Its totient is φ = 99886248.

The previous prime is 116663749. The next prime is 116663783. The reversal of 116663771 is 177366611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116663771 - 210 = 116662747 is a prime.

It is a super-2 number, since 2×1166637712 = 27220870927880882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116663711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (16684800).

Almost surely, 2116663771 is an apocalyptic number.

116663771 is a deficient number, since it is larger than the sum of its proper divisors (16814629).

116663771 is an equidigital number, since it uses as much as digits as its factorization.

116663771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18553.

The product of its digits is 31752, while the sum is 38.

The square root of 116663771 is about 10801.1004531946. The cubic root of 116663771 is about 488.6283603072.

The spelling of 116663771 in words is "one hundred sixteen million, six hundred sixty-three thousand, seven hundred seventy-one".

Divisors: 1 7 947 6629 17599 123193 16666253 116663771