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2153112325105 = 57731814655831
BaseRepresentation
bin11111010101001111011…
…111101100101111110001
321121211120002200212020211
4133111033133230233301
5240234033223400410
64325043125304121
7311362062536320
oct37251737545761
97554502625224
102153112325105
11760147859945
122a9354b65041
13128064865801
14762d57260b7
153b019e3c68a
hex1f54f7ecbf1

2153112325105 has 32 divisors (see below), whose sum is σ = 3009827778048. Its totient is φ = 1448149363200.

The previous prime is 2153112325087. The next prime is 2153112325121. The reversal of 2153112325105 is 5015232113512.

It is a happy number.

It is not a de Polignac number, because 2153112325105 - 217 = 2153112194033 is a prime.

It is a super-2 number, since 2×21531123251052 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865461 + ... + 2790370.

It is an arithmetic number, because the mean of its divisors is an integer number (94057118064).

Almost surely, 22153112325105 is an apocalyptic number.

It is an amenable number.

2153112325105 is a deficient number, since it is larger than the sum of its proper divisors (856715452943).

2153112325105 is a wasteful number, since it uses less digits than its factorization.

2153112325105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656097.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 2153112325105 its reverse (5015232113512), we get a palindrome (7168344438617).

The spelling of 2153112325105 in words is "two trillion, one hundred fifty-three billion, one hundred twelve million, three hundred twenty-five thousand, one hundred five".

Divisors: 1 5 7 35 73 181 365 511 905 1267 2555 6335 13213 66065 92491 462455 4655831 23279155 32590817 162954085 339875663 842705411 1699378315 2379129641 4213527055 5898937877 11895648205 29494689385 61517495003 307587475015 430622465021 2153112325105