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1268475930190 = 25767270463951
BaseRepresentation
bin10010011101010111000…
…011101010011001001110
311111021011021020210010001
4102131113003222121032
5131240314314231230
62410421345234514
7160434005335330
oct22352703523116
94437137223101
101268475930190
11449a59658a37
12185a0a032a3a
13928030633b1
1445574973450
1522ee15ea0ca
hex127570ea64e

1268475930190 has 32 divisors (see below), whose sum is σ = 2648383017984. Its totient is φ = 428414896800.

The previous prime is 1268475930181. The next prime is 1268475930217. The reversal of 1268475930190 is 910395748621.

It is a happy number.

It is a super-2 number, since 2×12684759301902 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 135227286 + ... + 135236665.

It is an arithmetic number, because the mean of its divisors is an integer number (82761969312).

It is a 1-persistent number, because it is pandigital, but 2⋅1268475930190 = 2536951860380 is not.

Almost surely, 21268475930190 is an apocalyptic number.

1268475930190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268475930190 is an abundant number, since it is smaller than the sum of its proper divisors (1379907087794).

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

1268475930190 is a wasteful number, since it uses less digits than its factorization.

1268475930190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270464032.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 1268475930190 in words is "one trillion, two hundred sixty-eight billion, four hundred seventy-five million, nine hundred thirty thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 469 670 938 2345 4690 270463951 540927902 1352319755 1893247657 2704639510 3786495314 9466238285 18121084717 18932476570 36242169434 90605423585 126847593019 181210847170 253695186038 634237965095 1268475930190