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10023143545 = 510119847809
BaseRepresentation
bin10010101010110110…
…10000100001111001
3221212112022110002201
421111123100201321
5131011411043140
64334330430201
7503245212562
oct112533204171
927775273081
1010023143545
114283892108
121b38892361
13c3973168c
146b1269169
153d9e3049a
hex2556d0879

10023143545 has 8 divisors (see below), whose sum is σ = 12146859720. Its totient is φ = 7939123200.

The previous prime is 10023143539. The next prime is 10023143567. The reversal of 10023143545 is 54534132001.

It can be written as a sum of positive squares in 4 ways, for example, as 7108007481 + 2915136064 = 84309^2 + 53992^2 .

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

It is not a de Polignac number, because 10023143545 - 25 = 10023143513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9923400 + ... + 9924409.

It is an arithmetic number, because the mean of its divisors is an integer number (1518357465).

Almost surely, 210023143545 is an apocalyptic number.

It is an amenable number.

10023143545 is a deficient number, since it is larger than the sum of its proper divisors (2123716175).

10023143545 is a wasteful number, since it uses less digits than its factorization.

10023143545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19847915.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 10023143545 its reverse (54534132001), we get a palindrome (64557275546).

The spelling of 10023143545 in words is "ten billion, twenty-three million, one hundred forty-three thousand, five hundred forty-five".

Divisors: 1 5 101 505 19847809 99239045 2004628709 10023143545