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1100231000143 = 11223395339921
BaseRepresentation
bin10000000000101010111…
…000001100000001001111
310220011212222201210100121
4100000222320030001033
5121011233114001033
62201234504405411
7142326515124232
oct20005270140117
93804788653317
101100231000143
11394672797900
12159295176867
137c99c8c7852
143b374039419
151d945dd062d
hex1002ae0c04f

1100231000143 has 12 divisors (see below), whose sum is σ = 1261925031024. Its totient is φ = 956722606400.

The previous prime is 1100231000131. The next prime is 1100231000147. The reversal of 1100231000143 is 3410001320011.

It is a de Polignac number, because none of the positive numbers 2k-1100231000143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100231000147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197667178 + ... + 197672743.

It is an arithmetic number, because the mean of its divisors is an integer number (105160419252).

Almost surely, 21100231000143 is an apocalyptic number.

1100231000143 is a deficient number, since it is larger than the sum of its proper divisors (161694030881).

1100231000143 is a wasteful number, since it uses less digits than its factorization.

1100231000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395339966 (or 395339955 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1100231000143 its reverse (3410001320011), we get a palindrome (4510232320154).

The spelling of 1100231000143 in words is "one trillion, one hundred billion, two hundred thirty-one million, one hundred forty-three", and thus it is an aban number.

Divisors: 1 11 23 121 253 2783 395339921 4348739131 9092818183 47836130441 100021000013 1100231000143