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122100101000 = 2353612001641
BaseRepresentation
bin111000110110110111…
…0111010111110001000
3102200011100212210110222
41301231232322332020
54000030111213000
6132031512525212
711551516506563
oct1615556727610
9380140783428
10122100101000
1147867362089
121b7b70b0808
13b68b30c197
145ca421b4da
15329953ca85
hex1c6dbbaf88

122100101000 has 64 divisors (see below), whose sum is σ = 290398221360. Its totient is φ = 48039360000.

The previous prime is 122100100987. The next prime is 122100101051. The reversal of 122100101000 is 101001221.

122100101000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 936237604 + 121163863396 = 30598^2 + 348086^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939821 + ... + 1061820.

Almost surely, 2122100101000 is an apocalyptic number.

122100101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100101000 is an abundant number, since it is smaller than the sum of its proper divisors (168298120360).

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

122100101000 is a wasteful number, since it uses less digits than its factorization.

122100101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001723 (or 2001709 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 122100101000 its reverse (101001221), we get a palindrome (122201102221).

The spelling of 122100101000 in words is "one hundred twenty-two billion, one hundred million, one hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 100 122 125 200 244 250 305 488 500 610 1000 1220 1525 2440 3050 6100 7625 12200 15250 30500 61000 2001641 4003282 8006564 10008205 16013128 20016410 40032820 50041025 80065640 100082050 122100101 200164100 244200202 250205125 400328200 488400404 500410250 610500505 976800808 1000820500 1221001010 2001641000 2442002020 3052502525 4884004040 6105005050 12210010100 15262512625 24420020200 30525025250 61050050500 122100101000