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10431979487352 = 2332144888603991
BaseRepresentation
bin1001011111001110001001…
…1011101000000001111000
31100221021202120211220100200
42113303202123220001320
52331404143222043402
634104215112402200
72124454114403313
oct227634233500170
940837676756320
1010431979487352
1133621a5506605
1212059549a6360
135a8967ca3437
14280ca65b597a
1513155e12521c
hex97ce26e8078

10431979487352 has 24 divisors (see below), whose sum is σ = 28253277778440. Its totient is φ = 3477326495760.

The previous prime is 10431979487339. The next prime is 10431979487353. The reversal of 10431979487352 is 25378497913401.

10431979487352 is a `hidden beast` number, since 1 + 0 + 4 + 3 + 197 + 94 + 8 + 7 + 352 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10431979487352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431979487353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72444301924 + ... + 72444302067.

It is an arithmetic number, because the mean of its divisors is an integer number (1177219907435).

Almost surely, 210431979487352 is an apocalyptic number.

10431979487352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10431979487352 is an abundant number, since it is smaller than the sum of its proper divisors (17821298291088).

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

10431979487352 is a wasteful number, since it uses less digits than its factorization.

10431979487352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144888604003 (or 144888603996 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 10431979487352 in words is "ten trillion, four hundred thirty-one billion, nine hundred seventy-nine million, four hundred eighty-seven thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 144888603991 289777207982 434665811973 579554415964 869331623946 1159108831928 1303997435919 1738663247892 2607994871838 3477326495784 5215989743676 10431979487352