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101434120220 = 2252310112717191
BaseRepresentation
bin101111001110111110…
…0011101100000011100
3100200211010012012100102
41132131330131200130
53130214113321340
6114333113120232
710220426540006
oct1363574354034
9320733165312
10101434120220
113a021a09924
12177aa0b9078
1397469766a4
144ca36d5376
15298a0be215
hex179df1d81c

101434120220 has 96 divisors (see below), whose sum is σ = 226254422016. Its totient is φ = 38120544000.

The previous prime is 101434120211. The next prime is 101434120223. The reversal of 101434120220 is 22021434101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101434120192 and 101434120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101434120223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5891825 + ... + 5909015.

It is an arithmetic number, because the mean of its divisors is an integer number (2356816896).

Almost surely, 2101434120220 is an apocalyptic number.

101434120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101434120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113127211008).

101434120220 is an abundant number, since it is smaller than the sum of its proper divisors (124820301796).

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

101434120220 is a wasteful number, since it uses less digits than its factorization.

101434120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451 (or 17449 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101434120220 its reverse (22021434101), we get a palindrome (123455554321).

The spelling of 101434120220 in words is "one hundred one billion, four hundred thirty-four million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 101 115 127 202 230 254 404 460 505 508 635 1010 1270 2020 2323 2540 2921 4646 5842 9292 11615 11684 12827 14605 17191 23230 25654 29210 34382 46460 51308 58420 64135 68764 85955 128270 171910 256540 295021 343820 395393 590042 790786 1180084 1475105 1581572 1736291 1976965 2183257 2950210 3472582 3953930 4366514 5900420 6945164 7907860 8681455 8733028 10916285 17362910 21832570 34725820 39934693 43665140 50214911 79869386 100429822 159738772 199673465 200859644 220508957 251074555 399346930 441017914 502149110 798693860 882035828 1004298220 1102544785 2205089570 4410179140 5071706011 10143412022 20286824044 25358530055 50717060110 101434120220