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101101001012 = 221111320334071
BaseRepresentation
bin101111000101000010…
…1101101100100110100
3100122221220100222200222
41132022011231210310
53124023324013022
6114240053153512
710206243220664
oct1361205554464
9318856328628
10101101001012
11399709744a0
121771662b898
1396c2950c2b
144c713801a4
15296ac1c242
hex178a16d934

101101001012 has 24 divisors (see below), whose sum is σ = 194719073472. Its totient is φ = 45548316800.

The previous prime is 101101000991. The next prime is 101101001033. The reversal of 101101001012 is 210100101101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101101000991) and next prime (101101001033).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10162064 + ... + 10172007.

It is an arithmetic number, because the mean of its divisors is an integer number (8113294728).

Almost surely, 2101101001012 is an apocalyptic number.

It is an amenable number.

101101001012 is a deficient number, since it is larger than the sum of its proper divisors (93618072460).

101101001012 is a wasteful number, since it uses less digits than its factorization.

101101001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20334199 (or 20334197 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101101001012 its reverse (210100101101), we get a palindrome (311201102113).

The spelling of 101101001012 in words is "one hundred one billion, one hundred one million, one thousand, twelve".

Divisors: 1 2 4 11 22 44 113 226 452 1243 2486 4972 20334071 40668142 81336284 223674781 447349562 894699124 2297750023 4595500046 9191000092 25275250253 50550500506 101101001012