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10431142203440 = 245718627039649
BaseRepresentation
bin1001011111001011000010…
…0001101001000000110000
31100221012121020100110202102
42113302300201221000300
52331400434401002230
634104000042435532
72124424266533330
oct227626041510060
940835536313672
1010431142203440
11336190591a832
121205760502ba8
135a886369807a
14280c273030c0
15131510886045
hex97cb0869030

10431142203440 has 40 divisors (see below), whose sum is σ = 27717034999200. Its totient is φ = 3576391612416.

The previous prime is 10431142203421. The next prime is 10431142203473. The reversal of 10431142203440 is 4430224113401.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9313519265 + ... + 9313520384.

It is an arithmetic number, because the mean of its divisors is an integer number (692925874980).

Almost surely, 210431142203440 is an apocalyptic number.

10431142203440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10431142203440 is an abundant number, since it is smaller than the sum of its proper divisors (17285892795760).

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

10431142203440 is a wasteful number, since it uses less digits than its factorization.

10431142203440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627039669 (or 18627039663 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 10431142203440 its reverse (4430224113401), we get a palindrome (14861366316841).

The spelling of 10431142203440 in words is "ten trillion, four hundred thirty-one billion, one hundred forty-two million, two hundred three thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 18627039649 37254079298 74508158596 93135198245 130389277543 149016317192 186270396490 260778555086 298032634384 372540792980 521557110172 651946387715 745081585960 1043114220344 1303892775430 1490163171920 2086228440688 2607785550860 5215571101720 10431142203440