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6461160815252 = 22111311295735691
BaseRepresentation
bin101111000000101101100…
…1100011111101010010100
3211212200101101222020210202
41132001123030133222110
51321324424132042002
621424114415440032
71234542405524003
oct136013314375224
924780341866722
106461160815252
112071187924560
12884271826018
1337b391a80040
14184a16a94c3a
15b3109e7e502
hex5e05b31fa94

6461160815252 has 24 divisors (see below), whose sum is σ = 13283785173792. Its totient is φ = 2710976565600.

The previous prime is 6461160815183. The next prime is 6461160815269. The reversal of 6461160815252 is 2525180611646.

It is a junction number, because it is equal to n+sod(n) for n = 6461160815197 and 6461160815206.

It is a congruent number.

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, 5647867274 + ... + 5647868417.

It is an arithmetic number, because the mean of its divisors is an integer number (553491048908).

Almost surely, 26461160815252 is an apocalyptic number.

It is an amenable number.

6461160815252 is an abundant number, since it is smaller than the sum of its proper divisors (6822624358540).

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

6461160815252 is a wasteful number, since it uses less digits than its factorization.

6461160815252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295735719 (or 11295735717 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 6461160815252 in words is "six trillion, four hundred sixty-one billion, one hundred sixty million, eight hundred fifteen thousand, two hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 11295735691 22591471382 45182942764 124253092601 146844563983 248506185202 293689127966 497012370404 587378255932 1615290203813 3230580407626 6461160815252