Base | Representation |
---|---|
bin | 101110101011001001… |
… | …0101111100111000011 |
3 | 100120201100012021010220 |
4 | 1131112102233213003 |
5 | 3120233343030422 |
6 | 114013531354123 |
7 | 10145561650065 |
oct | 1352622574703 |
9 | 316640167126 |
10 | 100232001987 |
11 | 39565396687 |
12 | 175135b2943 |
13 | 95b48c0020 |
14 | 4bcbbb3735 |
15 | 29197b5e5c |
hex | 17564af9c3 |
100232001987 has 8 divisors (see below), whose sum is σ = 143922874704. Its totient is φ = 61681231968.
The previous prime is 100232001977. The next prime is 100232002009. The reversal of 100232001987 is 789100232001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-100232001987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (100232001977) 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, 1285025628 + ... + 1285025705.
It is an arithmetic number, because the mean of its divisors is an integer number (17990359338).
Almost surely, 2100232001987 is an apocalyptic number.
100232001987 is a deficient number, since it is larger than the sum of its proper divisors (43690872717).
100232001987 is a wasteful number, since it uses less digits than its factorization.
100232001987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2570051349.
The product of its (nonzero) digits is 6048, while the sum is 33.
Adding to 100232001987 its reverse (789100232001), we get a palindrome (889332233988).
The spelling of 100232001987 in words is "one hundred billion, two hundred thirty-two million, one thousand, nine hundred eighty-seven".
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