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85574548053 = 321011271913881
BaseRepresentation
bin100111110110010100…
…0111111101001010101
322011212211121110022200
41033230220333221111
52400224041014203
6103151251315113
76116421441201
oct1175450775125
9264784543280
1085574548053
1133323668595
12147028aba99
1380ba01a467
1441db279b01
15235cab69a3
hex13eca3fa55

85574548053 has 48 divisors (see below), whose sum is σ = 126505746432. Its totient is φ = 55732320000.

The previous prime is 85574548049. The next prime is 85574548069. The reversal of 85574548053 is 35084547558.

85574548053 is a `hidden beast` number, since 8 + 557 + 4 + 5 + 4 + 80 + 5 + 3 = 666.

It is not a de Polignac number, because 85574548053 - 22 = 85574548049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85574548043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22047673 + ... + 22051553.

It is an arithmetic number, because the mean of its divisors is an integer number (2635536384).

Almost surely, 285574548053 is an apocalyptic number.

It is an amenable number.

85574548053 is a deficient number, since it is larger than the sum of its proper divisors (40931198379).

85574548053 is a wasteful number, since it uses less digits than its factorization.

85574548053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306 (or 4303 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 54.

The spelling of 85574548053 in words is "eighty-five billion, five hundred seventy-four million, five hundred forty-eight thousand, fifty-three".

Divisors: 1 3 9 101 127 191 303 381 573 909 1143 1719 3881 11643 12827 19291 24257 34929 38481 57873 72771 115443 173619 218313 391981 492887 741271 1175943 1478661 2223813 2449957 3527829 4435983 6671439 7349871 22049613 49781587 74868371 94141417 149344761 224605113 282424251 448034283 673815339 847272753 9508283117 28524849351 85574548053