Base | Representation |
---|---|
bin | 1110010001010001010… |
… | …0101011001100111111 |
3 | 212102210012200122001122 |
4 | 3210110110223030333 |
5 | 13004033422200111 |
6 | 304342223101155 |
7 | 23466101316341 |
oct | 3442424531477 |
9 | 772705618048 |
10 | 245154100031 |
11 | 94a73109945 |
12 | 3b6197417bb |
13 | 1a16c136469 |
14 | bc18dc5291 |
15 | 659c6a1cdb |
hex | 391452b33f |
245154100031 has 8 divisors (see below), whose sum is σ = 246860223840. Its totient is φ = 243449807328.
The previous prime is 245154099959. The next prime is 245154100033. The reversal of 245154100031 is 130001451542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-245154100031 is a prime.
It is a super-2 number, since 2×2451541000312 (a number of 24 digits) 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 (245154100033) 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, 188531 + ... + 725156.
It is an arithmetic number, because the mean of its divisors is an integer number (30857527980).
Almost surely, 2245154100031 is an apocalyptic number.
245154100031 is a deficient number, since it is larger than the sum of its proper divisors (1706123809).
245154100031 is a wasteful number, since it uses less digits than its factorization.
245154100031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 915553.
The product of its (nonzero) digits is 2400, while the sum is 26.
Adding to 245154100031 its reverse (130001451542), we get a palindrome (375155551573).
The spelling of 245154100031 in words is "two hundred forty-five billion, one hundred fifty-four million, one hundred thousand, thirty-one".
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