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101012100012020 = 22524408720691823
BaseRepresentation
bin10110111101111010110110…
…010101101101011111110100
3111020122122212221001020211002
4112331322312111231133310
5101214440240100341040
6554500152414302432
730163612001250251
oct2675726625553764
9436578787036732
10101012100012020
112a204a9a0931aa
12b3b49a3ab7a18
1344495281c23c2
141ad302426c428
15ba285345ea15
hex5bdeb656d7f4

101012100012020 has 24 divisors (see below), whose sum is σ = 212126289333504. Its totient is φ = 40404672517536.

The previous prime is 101012100012001. The next prime is 101012100012029. The reversal of 101012100012020 is 20210001210101.

It is a junction number, because it is equal to n+sod(n) for n = 101012100011992 and 101012100012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012100012029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5464172 + ... + 15227651.

It is an arithmetic number, because the mean of its divisors is an integer number (8838595388896).

Almost surely, 2101012100012020 is an apocalyptic number.

101012100012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012100012020 is an abundant number, since it is smaller than the sum of its proper divisors (111114189321484).

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

101012100012020 is a wasteful number, since it uses less digits than its factorization.

101012100012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20935919 (or 20935917 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101012100012020 its reverse (20210001210101), we get a palindrome (121222101222121).

The spelling of 101012100012020 in words is "one hundred one trillion, twelve billion, one hundred million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 244087 488174 976348 1220435 2440870 4881740 20691823 41383646 82767292 103459115 206918230 413836460 5050605000601 10101210001202 20202420002404 25253025003005 50506050006010 101012100012020