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10552162187 = 76912181551
BaseRepresentation
bin10011101001111010…
…10011011110001011
31000020101202101020202
421310331103132023
5133102323142222
64503025242415
7522330620150
oct116475233613
930211671222
1010552162187
1145254696a6
122065a9340b
13cc2206b68
14721616227
1541b5cb892
hex274f5378b

10552162187 has 8 divisors (see below), whose sum is σ = 12077071872. Its totient is φ = 9031617000.

The previous prime is 10552162163. The next prime is 10552162193. The reversal of 10552162187 is 78126125501.

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

It is not a de Polignac number, because 10552162187 - 28 = 10552161931 is a prime.

It is a super-2 number, since 2×105521621872 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10552162187.

It is not an unprimeable number, because it can be changed into a prime (10552167187) 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, 1085939 + ... + 1095612.

It is an arithmetic number, because the mean of its divisors is an integer number (1509633984).

Almost surely, 210552162187 is an apocalyptic number.

10552162187 is a deficient number, since it is larger than the sum of its proper divisors (1524909685).

10552162187 is an equidigital number, since it uses as much as digits as its factorization.

10552162187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182249.

The product of its (nonzero) digits is 33600, while the sum is 38.

Adding to 10552162187 its reverse (78126125501), we get a palindrome (88678287688).

The spelling of 10552162187 in words is "ten billion, five hundred fifty-two million, one hundred sixty-two thousand, one hundred eighty-seven".

Divisors: 1 7 691 4837 2181551 15270857 1507451741 10552162187