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11990263612959 = 3549342648613
BaseRepresentation
bin1010111001111011001101…
…1001110100011000011111
31120110020222002100101200000
42232132303121310120133
53032422024441103314
641300130121305343
72345160624050322
oct256366331643037
946406862311600
1011990263612959
113903051251145
121417963035253
1368c8a5500018
142d649087a7b9
1515bd63285209
hexae7b367461f

11990263612959 has 12 divisors (see below), whose sum is σ = 17960724095496. Its totient is φ = 7993509075144.

The previous prime is 11990263612933. The next prime is 11990263613011. The reversal of 11990263612959 is 95921636209911.

11990263612959 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 0 + 2 + 6 + 3 + 612 + 9 + 5 + 9 = 666.

It is not a de Polignac number, because 11990263612959 - 229 = 11989726742047 is a prime.

It is a super-2 number, since 2×119902636129592 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11990263612896 and 11990263612905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990263610959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24671324064 + ... + 24671324549.

It is an arithmetic number, because the mean of its divisors is an integer number (1496727007958).

Almost surely, 211990263612959 is an apocalyptic number.

11990263612959 is a deficient number, since it is larger than the sum of its proper divisors (5970460482537).

11990263612959 is an frugal number, since it uses more digits than its factorization.

11990263612959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49342648628 (or 49342648616 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 63.

The spelling of 11990263612959 in words is "eleven trillion, nine hundred ninety billion, two hundred sixty-three million, six hundred twelve thousand, nine hundred fifty-nine".

Divisors: 1 3 9 27 81 243 49342648613 148027945839 444083837517 1332251512551 3996754537653 11990263612959