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1010000011111 = 71312787392923
BaseRepresentation
bin11101011001010001011…
…00010001111101100111
310120112222122012121211221
432230220230101331213
5113021440000323421
62051553153241211
7132653512305250
oct16545054217547
93515878177757
101010000011111
1135a37a748293
121438b2b63207
137431cc8b090
1436c545adb27
151b414627841
hexeb28b11f67

1010000011111 has 16 divisors (see below), whose sum is σ = 1252864958464. Its totient is φ = 792828588384.

The previous prime is 1010000011021. The next prime is 1010000011117. The reversal of 1010000011111 is 1111100000101.

It is a happy number.

It is not a de Polignac number, because 1010000011111 - 29 = 1010000010599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

1010000011111 is a modest number, since divided by 11111 gives 101 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1010000011094 and 1010000011103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010000011117) 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, 43684905 + ... + 43708018.

It is an arithmetic number, because the mean of its divisors is an integer number (78304059904).

Almost surely, 21010000011111 is an apocalyptic number.

1010000011111 is a deficient number, since it is larger than the sum of its proper divisors (242864947353).

1010000011111 is a wasteful number, since it uses less digits than its factorization.

1010000011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87393070.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1010000011111 its reverse (1111100000101), we get a palindrome (2121100011212).

The spelling of 1010000011111 in words is "one trillion, ten billion, eleven thousand, one hundred eleven".

Divisors: 1 7 13 91 127 889 1651 11557 87392923 611750461 1136107999 7952755993 11098901221 77692308547 144285715873 1010000011111