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10129118 = 25064559
BaseRepresentation
bin100110101000…
…111011011110
3201001121112112
4212220323132
510043112433
61001034022
7152044646
oct46507336
921047475
1010129118
11579917a
123485912
13213857c
1414b9526
15d51348
hex9a8ede

10129118 has 4 divisors (see below), whose sum is σ = 15193680. Its totient is φ = 5064558.

The previous prime is 10129117. The next prime is 10129129. The reversal of 10129118 is 81192101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81192101 = 347233983.

It is a junction number, because it is equal to n+sod(n) for n = 10129093 and 10129102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10129117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532278 + ... + 2532281.

It is an arithmetic number, because the mean of its divisors is an integer number (3798420).

Almost surely, 210129118 is an apocalyptic number.

10129118 is a deficient number, since it is larger than the sum of its proper divisors (5064562).

10129118 is an equidigital number, since it uses as much as digits as its factorization.

10129118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064561.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 10129118 is about 3182.6275308305. The cubic root of 10129118 is about 216.3667608731.

The spelling of 10129118 in words is "ten million, one hundred twenty-nine thousand, one hundred eighteen".

Divisors: 1 2 5064559 10129118