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1290240245129 = 11595507361003
BaseRepresentation
bin10010110001101000010…
…011111011110110001001
311120100100001122112110112
4102301220103323312021
5132114403000321004
62424421142124105
7162134233062503
oct22615023736611
94510301575415
101290240245129
11458207a88980
1218a082a20635
1394891115564
144663b2c2d73
15238671c0e6e
hex12c684fbd89

1290240245129 has 16 divisors (see below), whose sum is σ = 1431655223040. Its totient is φ = 1152852666960.

The previous prime is 1290240245087. The next prime is 1290240245167. The reversal of 1290240245129 is 9215420420921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1290240245129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1290240245729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393542 + ... + 3754544.

It is an arithmetic number, because the mean of its divisors is an integer number (89478451440).

Almost surely, 21290240245129 is an apocalyptic number.

It is an amenable number.

1290240245129 is a deficient number, since it is larger than the sum of its proper divisors (141414977911).

1290240245129 is a wasteful number, since it uses less digits than its factorization.

1290240245129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366580.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 1290240245129 in words is "one trillion, two hundred ninety billion, two hundred forty million, two hundred forty-five thousand, one hundred twenty-nine".

Divisors: 1 11 59 649 5507 60577 324913 361003 3574043 3971033 21299177 234290947 1988043521 21868478731 117294567739 1290240245129