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163023314605 = 541795235681
BaseRepresentation
bin1001011111010011110…
…0100101111010101101
3120120210101010102221221
42113310330211322231
510132332432031410
6202520351223341
714530604211334
oct2276474457255
9516711112857
10163023314605
1163157458178
1227718217b51
13124b0725188
147c67268d1b
1543920d94da
hex25f4f25ead

163023314605 has 8 divisors (see below), whose sum is σ = 200399391864. Its totient is φ = 127237708800.

The previous prime is 163023314591. The next prime is 163023314609. The reversal of 163023314605 is 506413320361.

It can be written as a sum of positive squares in 4 ways, for example, as 12482089 + 163010832516 = 3533^2 + 403746^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163023314605 - 29 = 163023314093 is a prime.

It is a super-2 number, since 2×1630233146052 (a number of 23 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 (163023314609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397617636 + ... + 397618045.

It is an arithmetic number, because the mean of its divisors is an integer number (25049923983).

Almost surely, 2163023314605 is an apocalyptic number.

It is an amenable number.

163023314605 is a deficient number, since it is larger than the sum of its proper divisors (37376077259).

163023314605 is an equidigital number, since it uses as much as digits as its factorization.

163023314605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795235727.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 163023314605 its reverse (506413320361), we get a palindrome (669436634966).

The spelling of 163023314605 in words is "one hundred sixty-three billion, twenty-three million, three hundred fourteen thousand, six hundred five".

Divisors: 1 5 41 205 795235681 3976178405 32604662921 163023314605