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10555055500 = 22531110119001
BaseRepresentation
bin10011101010010000…
…10101110110001100
31000020121012101010111
421311020111312030
5133104043234000
64503211245404
7522364330363
oct116510256614
930217171114
1010555055500
114527065470
122066a49864
13cc29aaa92
14721b6a7da
1541b99dcba
hex275215d8c

10555055500 has 96 divisors (see below), whose sum is σ = 25398225216. Its totient is φ = 3800000000.

The previous prime is 10555055479. The next prime is 10555055509. The reversal of 10555055500 is 555055501.

It is a super-2 number, since 2×105550555002 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10555055509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546000 + ... + 565000.

It is an arithmetic number, because the mean of its divisors is an integer number (264564846).

Almost surely, 210555055500 is an apocalyptic number.

10555055500 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 10555055500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12699112608).

10555055500 is an abundant number, since it is smaller than the sum of its proper divisors (14843169716).

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

10555055500 is a wasteful number, since it uses less digits than its factorization.

10555055500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19132 (or 19120 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 31.

Subtracting from 10555055500 its reverse (555055501), we obtain a palindrome (9999999999).

The spelling of 10555055500 in words is "ten billion, five hundred fifty-five million, fifty-five thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 125 202 220 250 275 404 500 505 550 1010 1100 1111 1375 2020 2222 2525 2750 4444 5050 5500 5555 10100 11110 12625 19001 22220 25250 27775 38002 50500 55550 76004 95005 111100 138875 190010 209011 277750 380020 418022 475025 555500 836044 950050 1045055 1900100 1919101 2090110 2375125 3838202 4180220 4750250 5225275 7676404 9500500 9595505 10450550 19191010 20901100 21110111 26126375 38382020 42220222 47977525 52252750 84440444 95955050 104505500 105550555 191910100 211101110 239887625 422202220 479775250 527752775 959550500 1055505550 2111011100 2638763875 5277527750 10555055500