Base | Representation |
---|---|
bin | 10000010101001… |
… | …01110001101100 |
3 | 100112210000022011 |
4 | 20022211301230 |
5 | 240032301100 |
6 | 21332131004 |
7 | 3252300061 |
oct | 1012456154 |
9 | 315700264 |
10 | 136993900 |
11 | 703695aa |
12 | 39a66a64 |
13 | 224c6ca4 |
14 | 142a0c68 |
15 | c060bba |
hex | 82a5c6c |
136993900 has 36 divisors (see below), whose sum is σ = 301057120. Its totient is φ = 54100800.
The previous prime is 136993897. The next prime is 136993903. The reversal of 136993900 is 9399631.
It is an interprime number because it is at equal distance from previous prime (136993897) and next prime (136993903).
It is not an unprimeable number, because it can be changed into a prime (136993903) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771 + ... + 16570.
Almost surely, 2136993900 is an apocalyptic number.
136993900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 136993900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150528560).
136993900 is an abundant number, since it is smaller than the sum of its proper divisors (164063220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136993900 is a wasteful number, since it uses less digits than its factorization.
136993900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17434 (or 17427 counting only the distinct ones).
The product of its (nonzero) digits is 39366, while the sum is 40.
The square root of 136993900 is about 11704.4393287334. The cubic root of 136993900 is about 515.5060222578.
The spelling of 136993900 in words is "one hundred thirty-six million, nine hundred ninety-three thousand, nine hundred".
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