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10101012 = 223841751
BaseRepresentation
bin100110100010…
…000100010100
3201000011222120
4212202010110
510041213022
61000255540
7151600005
oct46420424
921004876
1010101012
11577a049
1234715b0
13212883c
1414ad1ac
15d47d5c
hex9a2114

10101012 has 12 divisors (see below), whose sum is σ = 23569056. Its totient is φ = 3367000.

The previous prime is 10100999. The next prime is 10101023. The reversal of 10101012 is 21010101.

10101012 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420864 + ... + 420887.

It is an arithmetic number, because the mean of its divisors is an integer number (1964088).

Almost surely, 210101012 is an apocalyptic number.

10101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101012 is an abundant number, since it is smaller than the sum of its proper divisors (13468044).

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

10101012 is a wasteful number, since it uses less digits than its factorization.

10101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841758 (or 841756 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 10101012 is about 3178.2089295702. The cubic root of 10101012 is about 216.1664526291.

Adding to 10101012 its reverse (21010101), we get a palindrome (31111113).

Multiplying 10101012 by its reverse (21010101), we get a palindrome (212223282322212).

It can be divided in two parts, 1010101 and 2, that multiplied together give a palindrome (2020202).

The spelling of 10101012 in words is "ten million, one hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 841751 1683502 2525253 3367004 5050506 10101012