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20110201012 = 2211457050023
BaseRepresentation
bin10010101110101010…
…010101000010110100
31220220111220001121201
4102232222111002310
5312141202413022
613123303222244
71311230613436
oct225652250264
956814801551
1020110201012
11858a758740
123a92a47984
131b86480635
14d8abb0656
157ca788127
hex4aea950b4

20110201012 has 12 divisors (see below), whose sum is σ = 38392202016. Its totient is φ = 9141000440.

The previous prime is 20110201009. The next prime is 20110201049. The reversal of 20110201012 is 21010201102.

It is a self number, because there is not a number n which added to its sum of digits gives 20110201012.

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, 228524968 + ... + 228525055.

It is an arithmetic number, because the mean of its divisors is an integer number (3199350168).

Almost surely, 220110201012 is an apocalyptic number.

20110201012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20110201012 is a deficient number, since it is larger than the sum of its proper divisors (18282001004).

20110201012 is a wasteful number, since it uses less digits than its factorization.

20110201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457050038 (or 457050036 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20110201012 its reverse (21010201102), we get a palindrome (41120402114).

It can be divided in two parts, 20110 and 201012, that added together give a palindrome (221122).

The spelling of 20110201012 in words is "twenty billion, one hundred ten million, two hundred one thousand, twelve".

Divisors: 1 2 4 11 22 44 457050023 914100046 1828200092 5027550253 10055100506 20110201012