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1969424203124 = 227231439738341
BaseRepresentation
bin11100101010001010110…
…101000111110101110100
320222021102120002102202202
4130222022311013311310
5224231340043444444
64104424015324032
7262200111343100
oct34521265076564
96867376072682
101969424203124
1169a256690074
12279830220618
1311393cac8c81
146b46bb9c900
1536368a6734e
hex1ca8ad47d74

1969424203124 has 72 divisors (see below), whose sum is σ = 4147946288640. Its totient is φ = 814950158400.

The previous prime is 1969424203121. The next prime is 1969424203127. The reversal of 1969424203124 is 4213024249691.

It is an interprime number because it is at equal distance from previous prime (1969424203121) and next prime (1969424203127).

It is a super-2 number, since 2×19694242031242 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969424203121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2298194 + ... + 3036534.

It is an arithmetic number, because the mean of its divisors is an integer number (57610365120).

Almost surely, 21969424203124 is an apocalyptic number.

1969424203124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1969424203124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073973144320).

1969424203124 is an abundant number, since it is smaller than the sum of its proper divisors (2178522085516).

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

1969424203124 is a wasteful number, since it uses less digits than its factorization.

1969424203124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738829 (or 738820 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 1969424203124 in words is "one trillion, nine hundred sixty-nine billion, four hundred twenty-four million, two hundred three thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 434 439 868 878 1519 1756 3038 3073 6076 6146 12292 13609 21511 27218 43022 54436 86044 95263 190526 381052 666841 738341 1333682 1476682 2667364 2953364 5168387 10336774 20673548 22888571 36178709 45777142 72357418 91554284 144714836 160219997 320439994 324131699 640879988 648263398 1121539979 1296526796 2243079958 2268921893 4486159916 4537843786 9075687572 10048082669 15882453251 20096165338 31764906502 40192330676 63529813004 70336578683 140673157366 281346314732 492356050781 984712101562 1969424203124