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5421620181804 = 2231633393181689
BaseRepresentation
bin100111011100101000110…
…1111101011101100101100
3201012022011000212112021020
41032321101233223230230
51202311434231304204
615310354040134140
71066461542114151
oct116712157535454
921168130775236
105421620181804
111800329284502
127368b5767350
1330434495b098
1414a59d09a228
159606721ebd9
hex4ee51bebb2c

5421620181804 has 48 divisors (see below), whose sum is σ = 12728588127360. Its totient is φ = 1796044648320.

The previous prime is 5421620181797. The next prime is 5421620181839. The reversal of 5421620181804 is 4081810261245.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66328192 + ... + 66409880.

It is an arithmetic number, because the mean of its divisors is an integer number (265178919320).

Almost surely, 25421620181804 is an apocalyptic number.

It is an amenable number.

5421620181804 is an abundant number, since it is smaller than the sum of its proper divisors (7306967945556).

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

5421620181804 is a wasteful number, since it uses less digits than its factorization.

5421620181804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115790 (or 115788 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 5421620181804 in words is "five trillion, four hundred twenty-one billion, six hundred twenty million, one hundred eighty-one thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 33931 67862 81689 101793 135724 163378 203586 245067 326756 407172 490134 980268 5530753 11061506 13315307 16592259 22123012 26630614 33184518 39945921 53261228 66369036 79891842 159783684 2771789459 5543578918 8315368377 11087157836 16630736754 33261473508 451801681817 903603363634 1355405045451 1807206727268 2710810090902 5421620181804