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13124404443430 = 2571711028911297
BaseRepresentation
bin1011111011111100001101…
…1101101111100100100110
31201110200101022102001022101
42332333003131233210212
53210012240014142210
643525133531322314
72523130656046630
oct276770335574446
951420338361271
1013124404443430
114200035179405
12157b7205b039a
1374281a500117
143353202c1a50
1517b5e1152a3a
hexbefc376f926

13124404443430 has 32 divisors (see below), whose sum is σ = 28586938084416. Its totient is φ = 4235101937664.

The previous prime is 13124404443421. The next prime is 13124404443461. The reversal of 13124404443430 is 3434440442131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13124404443430.

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, 5514454459 + ... + 5514456838.

It is an arithmetic number, because the mean of its divisors is an integer number (893341815138).

Almost surely, 213124404443430 is an apocalyptic number.

13124404443430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13124404443430 is an abundant number, since it is smaller than the sum of its proper divisors (15462533640986).

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

13124404443430 is a wasteful number, since it uses less digits than its factorization.

13124404443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11028911328.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 13124404443430 its reverse (3434440442131), we get a palindrome (16558844885561).

The spelling of 13124404443430 in words is "thirteen trillion, one hundred twenty-four billion, four hundred four million, four hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 11028911297 22057822594 55144556485 77202379079 110289112970 154404758158 187491492049 374982984098 386011895395 772023790790 937457460245 1312440444343 1874914920490 2624880888686 6562202221715 13124404443430