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1290037837968 = 2433111732534909
BaseRepresentation
bin10010110001011100001…
…111110100000010010000
311120022210221210012001000
4102301130033310002100
5132113444141303333
62424345111542000
7162126224461245
oct22613417640220
94508727705030
101290037837968
11458113801430
1218a02708a900
139485b1c76c9
144661c4755cc
152385453d713
hex12c5c3f4090

1290037837968 has 320 divisors, whose sum is σ = 4279317177600. Its totient is φ = 367737200640.

The previous prime is 1290037837903. The next prime is 1290037837987. The reversal of 1290037837968 is 8697387300921.

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 63 ways as a sum of consecutive naturals, for example, 262787898 + ... + 262792806.

It is an arithmetic number, because the mean of its divisors is an integer number (13372866180).

Almost surely, 21290037837968 is an apocalyptic number.

1290037837968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1290037837968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139658588800).

1290037837968 is an abundant number, since it is smaller than the sum of its proper divisors (2989279339632).

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

1290037837968 is a wasteful number, since it uses less digits than its factorization.

1290037837968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207 (or 8195 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 1290037837968 in words is "one trillion, two hundred ninety billion, thirty-seven million, eight hundred thirty-seven thousand, nine hundred sixty-eight".