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2100412122 = 23449779663
BaseRepresentation
bin111110100110001…
…1011111011011010
312102101021222202120
41331030123323122
513300201141442
6544231042110
7103023131334
oct17514337332
95371258676
102100412122
1198869a796
124a7510336
13276203613
1415cd56454
15c45e94ec
hex7d31beda

2100412122 has 16 divisors (see below), whose sum is σ = 4210185600. Its totient is φ = 698577152.

The previous prime is 2100412121. The next prime is 2100412151. The reversal of 2100412122 is 2212140012.

It is not an unprimeable number, because it can be changed into a prime (2100412121) 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, 387138 + ... + 392525.

It is an arithmetic number, because the mean of its divisors is an integer number (263136600).

Almost surely, 22100412122 is an apocalyptic number.

2100412122 is an abundant number, since it is smaller than the sum of its proper divisors (2109773478).

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

2100412122 is a wasteful number, since it uses less digits than its factorization.

2100412122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780117.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2100412122 is about 45830.2533486342. The cubic root of 2100412122 is about 1280.6629301187.

Adding to 2100412122 its reverse (2212140012), we get a palindrome (4312552134).

The spelling of 2100412122 in words is "two billion, one hundred million, four hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 449 898 1347 2694 779663 1559326 2338989 4677978 350068687 700137374 1050206061 2100412122