Base | Representation |
---|---|
bin | 11001111111100011… |
… | …10000010001001101 |
3 | 1100000112121211201011 |
4 | 30333301300101031 |
5 | 212034424044021 |
6 | 10224422045221 |
7 | 1002546525436 |
oct | 147761602115 |
9 | 40015554634 |
10 | 13954909261 |
11 | 5a11200967 |
12 | 2855579811 |
13 | 1415182177 |
14 | 9654da48d |
15 | 56a1c7de1 |
hex | 33fc7044d |
13954909261 has 8 divisors (see below), whose sum is σ = 14264985600. Its totient is φ = 13645381488.
The previous prime is 13954909231. The next prime is 13954909279. The reversal of 13954909261 is 16290945931.
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-13954909261 is a prime.
It is a super-2 number, since 2×139549092612 (a number of 21 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 (13954909201) 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, 85486 + ... + 187663.
It is an arithmetic number, because the mean of its divisors is an integer number (1783123200).
Almost surely, 213954909261 is an apocalyptic number.
It is an amenable number.
13954909261 is a deficient number, since it is larger than the sum of its proper divisors (310076339).
13954909261 is a wasteful number, since it uses less digits than its factorization.
13954909261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274283.
The product of its (nonzero) digits is 524880, while the sum is 49.
It can be divided in two parts, 1395 and 4909261, that added together give a square (4910656 = 22162).
The spelling of 13954909261 in words is "thirteen billion, nine hundred fifty-four million, nine hundred nine thousand, two hundred sixty-one".
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