Base | Representation |
---|---|
bin | 1110010010000101101… |
… | …1100111111011100010 |
3 | 212110100112112000000020 |
4 | 3210201123213323202 |
5 | 13010011222303232 |
6 | 304420120534310 |
7 | 23504411542320 |
oct | 3444133477342 |
9 | 773315460006 |
10 | 245374025442 |
11 | 95076271087 |
12 | 3b67b321396 |
13 | 1a1a5878c40 |
14 | bc3a2b2d10 |
15 | 65b1b44e2c |
hex | 39216e7ee2 |
245374025442 has 32 divisors (see below), whose sum is σ = 603997602432. Its totient is φ = 64714028544.
The previous prime is 245374025423. The next prime is 245374025443. The reversal of 245374025442 is 244520473542.
It is a super-2 number, since 2×2453740254422 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 245374025394 and 245374025403.
It is not an unprimeable number, because it can be changed into a prime (245374025443) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224700943 + ... + 224702034.
It is an arithmetic number, because the mean of its divisors is an integer number (18874925076).
Almost surely, 2245374025442 is an apocalyptic number.
245374025442 is an abundant number, since it is smaller than the sum of its proper divisors (358623576990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245374025442 is a wasteful number, since it uses less digits than its factorization.
245374025442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 449403002.
The product of its (nonzero) digits is 1075200, while the sum is 42.
Adding to 245374025442 its reverse (244520473542), we get a palindrome (489894498984).
The spelling of 245374025442 in words is "two hundred forty-five billion, three hundred seventy-four million, twenty-five thousand, four hundred forty-two".
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