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80163109 = 13172191123
BaseRepresentation
bin1001100011100…
…11000100100101
312120211201010001
410301303010211
5131010204414
611542101301
71662242455
oct461630445
9176751101
1080163109
1141282804
1222a1a831
13137b96c0
14a909d65
157087074
hex4c73125

80163109 has 24 divisors (see below), whose sum is σ = 96619040. Its totient is φ = 65919744.

The previous prime is 80163103. The next prime is 80163121. The reversal of 80163109 is 90136108.

It is a happy number.

It is not a de Polignac number, because 80163109 - 29 = 80162597 is a prime.

It is a super-2 number, since 2×801631092 = 12852248089091762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80163103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70822 + ... + 71944.

Almost surely, 280163109 is an apocalyptic number.

It is an amenable number.

80163109 is a deficient number, since it is larger than the sum of its proper divisors (16455931).

80163109 is a wasteful number, since it uses less digits than its factorization.

80163109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 80163109 is about 8953.3853374017. The cubic root of 80163109 is about 431.1795789514.

The spelling of 80163109 in words is "eighty million, one hundred sixty-three thousand, one hundred nine".

Divisors: 1 13 17 19 221 247 289 323 1123 3757 4199 5491 14599 19091 21337 71383 248183 277381 324547 362729 4219111 4715477 6166393 80163109