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10550012000 = 2553111631471
BaseRepresentation
bin10011101001101010…
…00110100001100000
31000020020201010202012
421310311012201200
5133101300341000
64502511212052
7522303423323
oct116465064140
930206633665
1010550012000
114524230190
122065217028
13cc1933268
147212167ba
1541b304735
hex274d46860

10550012000 has 192 divisors, whose sum is σ = 28470693888. Its totient is φ = 3810240000.

The previous prime is 10550011981. The next prime is 10550012041. The reversal of 10550012000 is 21005501.

It is a super-2 number, since 2×105500120002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7171265 + ... + 7172735.

It is an arithmetic number, because the mean of its divisors is an integer number (148284864).

Almost surely, 210550012000 is an apocalyptic number.

10550012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10550012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14235346944).

10550012000 is an abundant number, since it is smaller than the sum of its proper divisors (17920681888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10550012000 is a wasteful number, since it uses less digits than its factorization.

10550012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

Adding to 10550012000 its reverse (21005501), we get a palindrome (10571017501).

The spelling of 10550012000 in words is "ten billion, five hundred fifty million, twelve thousand".