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10311242004520 = 235257781050113
BaseRepresentation
bin1001011000001100010111…
…1010101011100000101000
31100111202010011222021121021
42112003011322223200220
52322414410423121040
633532530313222224
72112651121624222
oct226030572534050
940452104867537
1010311242004520
113315a78330746
1211a647a101974
1359a466084ac2
142790d1339412
1512d34454624a
hex960c5eab828

10311242004520 has 16 divisors (see below), whose sum is σ = 23200294510260. Its totient is φ = 4124496801792.

The previous prime is 10311242004487. The next prime is 10311242004551. The reversal of 10311242004520 is 2540024211301.

It can be written as a sum of positive squares in 2 ways, for example, as 9873207171556 + 438034832964 = 3142166^2 + 661842^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128890525017 + ... + 128890525096.

Almost surely, 210311242004520 is an apocalyptic number.

10311242004520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311242004520 is an abundant number, since it is smaller than the sum of its proper divisors (12889052505740).

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

10311242004520 is a wasteful number, since it uses less digits than its factorization.

10311242004520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257781050124 (or 257781050120 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10311242004520 its reverse (2540024211301), we get a palindrome (12851266215821).

The spelling of 10311242004520 in words is "ten trillion, three hundred eleven billion, two hundred forty-two million, four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 257781050113 515562100226 1031124200452 1288905250565 2062248400904 2577810501130 5155621002260 10311242004520