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61417560192 = 2731923215913
BaseRepresentation
bin111001001100110001…
…011001100010000000
312212112021222022202120
4321030301121202000
52001240343411232
644114223244240
74302661435152
oct711461314200
9185467868676
1061417560192
112405768000a
12baa0749680
135a3a3466c1
142d88c56ad2
1518e6e1592c
hexe4cc59880

61417560192 has 192 divisors, whose sum is σ = 179529016800. Its totient is φ = 18550591488.

The previous prime is 61417560157. The next prime is 61417560221. The reversal of 61417560192 is 29106571416.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3851628 + ... + 3867540.

Almost surely, 261417560192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61417560192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89764508400).

61417560192 is an abundant number, since it is smaller than the sum of its proper divisors (118111456608).

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

61417560192 is a wasteful number, since it uses less digits than its factorization.

61417560192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15995 (or 15960 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 61417560192 in words is "sixty-one billion, four hundred seventeen million, five hundred sixty thousand, one hundred ninety-two".