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3102210055555 = 513373134121087
BaseRepresentation
bin101101001001001010001…
…000001101110110000011
3101222120100100112001222021
4231021022020031312003
5401311311233234210
610333045143422311
7440061441252202
oct55111210156603
911876310461867
103102210055555
11a9670477a276
1242128ba54997
131966ca181c10
14aa20d691239
1555a679d4bda
hex2d24a20dd83

3102210055555 has 32 divisors (see below), whose sum is σ = 4130517049344. Its totient is φ = 2221825821696.

The previous prime is 3102210055543. The next prime is 3102210055561. The reversal of 3102210055555 is 5555500122013.

3102210055555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-3102210055555 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3102210055555.

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, 1307779 + ... + 2813308.

It is an arithmetic number, because the mean of its divisors is an integer number (129078657792).

Almost surely, 23102210055555 is an apocalyptic number.

3102210055555 is a deficient number, since it is larger than the sum of its proper divisors (1028306993789).

3102210055555 is a wasteful number, since it uses less digits than its factorization.

3102210055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121455.

The product of its (nonzero) digits is 37500, while the sum is 34.

Adding to 3102210055555 its reverse (5555500122013), we get a palindrome (8657710177568).

The spelling of 3102210055555 in words is "three trillion, one hundred two billion, two hundred ten million, fifty-five thousand, five hundred fifty-five".

Divisors: 1 5 13 37 65 185 313 481 1565 2405 4069 11581 20345 57905 150553 752765 4121087 20605435 53574131 152480219 267870655 762401095 1289900231 1982242847 6449501155 9911214235 16768703003 47726308547 83843515015 238631542735 620442011111 3102210055555