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28925240179902 = 2311541941860887
BaseRepresentation
bin1101001001110101011101…
…01010100111110010111110
310210102020002201110222110020
412210322232222213302332
512242402342441224102
6141304023310153010
76043531262555043
oct644725652476276
9123366081428406
1028925240179902
119242142002880
1232b1aa44b2766
13131a83b882191
1471ddbc10b1ca
1535262a13ebbc
hex1a4eaeaa7cbe

28925240179902 has 64 divisors (see below), whose sum is σ = 63293532599808. Its totient is φ = 8739714672000.

The previous prime is 28925240179897. The next prime is 28925240179921. The reversal of 28925240179902 is 20997104252982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33168903 + ... + 34029789.

It is an arithmetic number, because the mean of its divisors is an integer number (988961446872).

Almost surely, 228925240179902 is an apocalyptic number.

28925240179902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28925240179902 is an abundant number, since it is smaller than the sum of its proper divisors (34368292419906).

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

28925240179902 is a wasteful number, since it uses less digits than its factorization.

28925240179902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862385.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 28925240179902 in words is "twenty-eight trillion, nine hundred twenty-five billion, two hundred forty million, one hundred seventy-nine thousand, nine hundred two".

Divisors: 1 2 3 6 11 22 33 66 541 941 1082 1623 1882 2823 3246 5646 5951 10351 11902 17853 20702 31053 35706 62106 509081 860887 1018162 1527243 1721774 2582661 3054486 5165322 5599891 9469757 11199782 16799673 18939514 28409271 33599346 56818542 465739867 810094667 931479734 1397219601 1620189334 2430284001 2794439202 4860568002 5123138537 8911041337 10246277074 15369415611 17822082674 26733124011 30738831222 53466248022 438261214847 876522429694 1314783644541 2629567289082 4820873363317 9641746726634 14462620089951 28925240179902