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10231111000 = 235311930101
BaseRepresentation
bin10011000011101001…
…00101110101011000
3222102000122021211001
421201310211311120
5131423131023000
64411120114344
7511352002645
oct114164456530
928360567731
1010231111000
114380217140
121b964659b4
13c70848346
146d0b22dcc
153ed31046a
hex261d25d58

10231111000 has 64 divisors (see below), whose sum is σ = 26117264160. Its totient is φ = 3720400000.

The previous prime is 10231110997. The next prime is 10231111001. The reversal of 10231111000 is 11113201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231111001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454051 + ... + 476050.

Almost surely, 210231111000 is an apocalyptic number.

10231111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10231111000 is an abundant number, since it is smaller than the sum of its proper divisors (15886153160).

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

10231111000 is a wasteful number, since it uses less digits than its factorization.

10231111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930133 (or 930119 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10231111000 its reverse (11113201), we get a palindrome (10242224201).

It can be divided in two parts, 102311 and 11000, that added together give a palindrome (113311).

The spelling of 10231111000 in words is "ten billion, two hundred thirty-one million, one hundred eleven thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 930101 1860202 3720404 4650505 7440808 9301010 10231111 18602020 20462222 23252525 37204040 40924444 46505050 51155555 81848888 93010100 102311110 116262625 186020200 204622220 232525250 255777775 409244440 465050500 511555550 930101000 1023111100 1278888875 2046222200 2557777750 5115555500 10231111000