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101030122020 = 22351683835367
BaseRepresentation
bin101111000010111011…
…1010101001000100100
3100122202221222222000010
41132011313111020210
53123402202401040
6114225042050220
710204422603462
oct1360567251044
9318687888003
10101030122020
1139934963013
12176b6949970
1396b10652b9
144c65bad832
1529648bae80
hex1785dd5224

101030122020 has 24 divisors (see below), whose sum is σ = 282884341824. Its totient is φ = 26941365856.

The previous prime is 101030121971. The next prime is 101030122021. The reversal of 101030122020 is 20221030101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101030121987 and 101030122005.

It is not an unprimeable number, because it can be changed into a prime (101030122021) 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, 841917624 + ... + 841917743.

It is an arithmetic number, because the mean of its divisors is an integer number (11786847576).

Almost surely, 2101030122020 is an apocalyptic number.

101030122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101030122020 is an abundant number, since it is smaller than the sum of its proper divisors (181854219804).

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

101030122020 is a wasteful number, since it uses less digits than its factorization.

101030122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683835379 (or 1683835377 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 101030122020 its reverse (20221030101), we get a palindrome (121251152121).

The spelling of 101030122020 in words is "one hundred one billion, thirty million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1683835367 3367670734 5051506101 6735341468 8419176835 10103012202 16838353670 20206024404 25257530505 33676707340 50515061010 101030122020