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1298407104 = 26331971557
BaseRepresentation
bin100110101100100…
…0001111011000000
310100111011220201000
41031121001323000
510124343011404
6332501212000
744114164311
oct11531017300
93314156630
101298407104
11606a0a525
12302a01000
13178ccac37
14c4628608
1578ec8339
hex4d641ec0

1298407104 has 224 divisors, whose sum is σ = 4081881600. Its totient is φ = 403522560.

The previous prime is 1298407051. The next prime is 1298407129. The reversal of 1298407104 is 4017048921.

It is a super-2 number, since 2×12984071042 = 3371722015435333632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2330794 + ... + 2331350.

Almost surely, 21298407104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1298407104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040940800).

1298407104 is an abundant number, since it is smaller than the sum of its proper divisors (2783474496).

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

1298407104 is a wasteful number, since it uses less digits than its factorization.

1298407104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1298407104 is about 36033.4164908075. The cubic root of 1298407104 is about 1090.9469379597.

The spelling of 1298407104 in words is "one billion, two hundred ninety-eight million, four hundred seven thousand, one hundred four".