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2128243257410 = 25380695590489
BaseRepresentation
bin11110111110000101001…
…011101111000001000010
321112110100221011022210112
4132332011023233001002
5234332120233214120
64305411303031322
7306521565130634
oct36760513570102
97473327138715
102128243257410
11750645921236
122a457443b542
131259004b323a
1475016902a54
153a5619cebc5
hex1ef852ef042

2128243257410 has 16 divisors (see below), whose sum is σ = 3830939177400. Its totient is φ = 851274788736.

The previous prime is 2128243257389. The next prime is 2128243257419. The reversal of 2128243257410 is 147523428212.

It can be written as a sum of positive squares in 4 ways, for example, as 1107126944401 + 1021116313009 = 1052201^2 + 1010503^2 .

It is a super-2 number, since 2×21282432574102 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2128243257419) 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, 2414555 + ... + 3175934.

Almost surely, 22128243257410 is an apocalyptic number.

2128243257410 is a deficient number, since it is larger than the sum of its proper divisors (1702695919990).

2128243257410 is a wasteful number, since it uses less digits than its factorization.

2128243257410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628565.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 2128243257410 in words is "two trillion, one hundred twenty-eight billion, two hundred forty-three million, two hundred fifty-seven thousand, four hundred ten".

Divisors: 1 2 5 10 38069 76138 190345 380690 5590489 11180978 27952445 55904890 212824325741 425648651482 1064121628705 2128243257410