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163052143031501 = 496932813874629
BaseRepresentation
bin100101000100101110001001…
…000100001011010011001101
3210101022122002012021202212222
4211010232021010023103031
5132332421242104002001
61334441042002505125
746226062051040063
oct4504561104132315
9711278065252788
10163052143031501
1147a54030a87319
12163547209651a5
136cc999c26a509
142c39aa1620033
1513cb56167361b
hex944b8910b4cd

163052143031501 has 4 divisors (see below), whose sum is σ = 163084956911100. Its totient is φ = 163019329151904.

The previous prime is 163052143031497. The next prime is 163052143031599. The reversal of 163052143031501 is 105130341250361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66807311933476 + 96244831098025 = 8173574^2 + 9810445^2 .

It is a cyclic number.

It is not a de Polignac number, because 163052143031501 - 22 = 163052143031497 is a prime.

It is a super-2 number, since 2×1630521430315012 (a number of 29 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 (163052143031201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16406932346 + ... + 16406942283.

It is an arithmetic number, because the mean of its divisors is an integer number (40771239227775).

Almost surely, 2163052143031501 is an apocalyptic number.

It is an amenable number.

163052143031501 is a deficient number, since it is larger than the sum of its proper divisors (32813879599).

163052143031501 is an equidigital number, since it uses as much as digits as its factorization.

163052143031501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32813879598.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 163052143031501 its reverse (105130341250361), we get a palindrome (268182484281862).

The spelling of 163052143031501 in words is "one hundred sixty-three trillion, fifty-two billion, one hundred forty-three million, thirty-one thousand, five hundred one".

Divisors: 1 4969 32813874629 163052143031501