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1431421230220 = 2255313117775801
BaseRepresentation
bin10100110101000111010…
…110101001110010001100
312001211202012120200012021
4110311013112221302030
5141423022313331340
63013330312415524
7205262644463152
oct24650726516214
95054665520167
101431421230220
11502075a70653
121b15040a75a4
13a4ca0571aa7
144d3d16d13d2
152737b923e4a
hex14d475a9c8c

1431421230220 has 96 divisors (see below), whose sum is σ = 3088349643456. Its totient is φ = 557067264000.

The previous prime is 1431421230199. The next prime is 1431421230271. The reversal of 1431421230220 is 220321241341.

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, 246751320 + ... + 246757120.

It is an arithmetic number, because the mean of its divisors is an integer number (32170308786).

Almost surely, 21431421230220 is an apocalyptic number.

1431421230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431421230220 is an abundant number, since it is smaller than the sum of its proper divisors (1656928413236).

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

1431421230220 is a wasteful number, since it uses less digits than its factorization.

1431421230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771 (or 7769 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1431421230220 its reverse (220321241341), we get a palindrome (1651742471561).

The spelling of 1431421230220 in words is "one trillion, four hundred thirty-one billion, four hundred twenty-one million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 131 212 262 265 524 530 655 1060 1310 1777 2620 3554 5801 6943 7108 8885 11602 13886 17770 23204 27772 29005 34715 35540 58010 69430 94181 116020 138860 188362 232787 307453 376724 465574 470905 614906 759931 931148 941810 1163935 1229812 1519862 1537265 1883620 2327870 3039724 3074530 3799655 4655740 6149060 7599310 10308377 12337711 15198620 20616754 24675422 40276343 41233508 49350844 51541885 61688555 80552686 103083770 123377110 161105372 201381715 206167540 246754220 402763430 546343981 805526860 1092687962 1350397387 2185375924 2700794774 2731719905 5401589548 5463439810 6751986935 10926879620 13503973870 27007947740 71571061511 143142123022 286284246044 357855307555 715710615110 1431421230220