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19387540344310 = 2513287411459091
BaseRepresentation
bin1000110100010000000110…
…11101001000110111110110
32112122102122000120100202021
410122020003131020313312
510020121140312004220
6105122302454103354
74040463215604025
oct432100335106766
975572560510667
1019387540344310
1161a5234101836
12221152804ab5a
13aa83111c40c8
144b050d3068bc
152394ab24d4aa
hex11a203748df6

19387540344310 has 16 divisors (see below), whose sum is σ = 34897622800752. Its totient is φ = 7755004986400.

The previous prime is 19387540344217. The next prime is 19387540344311. The reversal of 19387540344310 is 1344304578391.

19387540344310 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×193875403443102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19387540344311) 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, 12557865 + ... + 14016955.

It is an arithmetic number, because the mean of its divisors is an integer number (2181101425047).

Almost surely, 219387540344310 is an apocalyptic number.

19387540344310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19387540344310 is a deficient number, since it is larger than the sum of its proper divisors (15510082456442).

19387540344310 is a wasteful number, since it uses less digits than its factorization.

19387540344310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787839.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 19387540344310 in words is "nineteen trillion, three hundred eighty-seven billion, five hundred forty million, three hundred forty-four thousand, three hundred ten".

Divisors: 1 2 5 10 1328741 1459091 2657482 2918182 6643705 7295455 13287410 14590910 1938754034431 3877508068862 9693770172155 19387540344310