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1500068994 = 231811381279
BaseRepresentation
bin101100101101001…
…0011110010000010
310212112122101210220
41121122103302002
511033004201434
6404503403510
752113242664
oct13132236202
93775571726
101500068994
116aa828046
1235a453596
131aba177b8
14103320534
158ba5ed49
hex59693c82

1500068994 has 16 divisors (see below), whose sum is σ = 3016715520. Its totient is φ = 497260080.

The previous prime is 1500068909. The next prime is 1500069007. The reversal of 1500068994 is 4998600051.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689554 + ... + 691725.

It is an arithmetic number, because the mean of its divisors is an integer number (188544720).

Almost surely, 21500068994 is an apocalyptic number.

1500068994 is an abundant number, since it is smaller than the sum of its proper divisors (1516646526).

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

1500068994 is a wasteful number, since it uses less digits than its factorization.

1500068994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381465.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1500068994 is about 38730.7241605421. The cubic root of 1500068994 is about 1144.7317930430.

The spelling of 1500068994 in words is "one billion, five hundred million, sixty-eight thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 181 362 543 1086 1381279 2762558 4143837 8287674 250011499 500022998 750034497 1500068994