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1010001111008 = 25533671622669
BaseRepresentation
bin11101011001010001100…
…00011110011111100000
310120112222201021111121212
432230220300132133200
5113021440241023013
62051553233005252
7132653524536041
oct16545060363740
93515881244555
101010001111008
1135a38032969a
121438b33b3828
13743202848c6
1436c547b88c8
151b4147936a8
hexeb28c1e7e0

1010001111008 has 48 divisors (see below), whose sum is σ = 2031478989120. Its totient is φ = 494121878016.

The previous prime is 1010001111001. The next prime is 1010001111013. The reversal of 1010001111008 is 8001111000101.

It is a happy number.

1010001111008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1010001110983 and 1010001111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010001111001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188903 + ... + 1433766.

It is an arithmetic number, because the mean of its divisors is an integer number (42322478940).

Almost surely, 21010001111008 is an apocalyptic number.

It is an amenable number.

1010001111008 is an abundant number, since it is smaller than the sum of its proper divisors (1021477878112).

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

1010001111008 is a wasteful number, since it uses less digits than its factorization.

1010001111008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623099 (or 1623091 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1010001111008 its reverse (8001111000101), we get a palindrome (9011112111109).

The spelling of 1010001111008 in words is "one trillion, ten billion, one million, one hundred eleven thousand, eight".

Divisors: 1 2 4 8 16 32 53 106 212 367 424 734 848 1468 1696 2936 5872 11744 19451 38902 77804 155608 311216 622432 1622669 3245338 6490676 12981352 25962704 51925408 86001457 172002914 344005828 595519523 688011656 1191039046 1376023312 2382078092 2752046624 4764156184 9528312368 19056624736 31562534719 63125069438 126250138876 252500277752 505000555504 1010001111008