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61020842460801 = 3331166936819053
BaseRepresentation
bin11011101111111100001011…
…01000111000011010000001
322000001112110102120122122220
431313332011220320122001
530444231141132221201
6333440331003121253
715565416234612336
oct1567760550703201
9260045412518586
1061020842460801
1118496880839313
126a162b8813229
132808318c20472
14110d5d2cc498d
1570c45aee8036
hex377f85a38681

61020842460801 has 16 divisors (see below), whose sum is σ = 81655825199040. Its totient is φ = 40533357965760.

The previous prime is 61020842460719. The next prime is 61020842460817. The reversal of 61020842460801 is 10806424802016.

It is not a de Polignac number, because 61020842460801 - 27 = 61020842460673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61020842460821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16752210 + ... + 20066843.

It is an arithmetic number, because the mean of its divisors is an integer number (5103489074940).

Almost surely, 261020842460801 is an apocalyptic number.

It is an amenable number.

61020842460801 is a deficient number, since it is larger than the sum of its proper divisors (20634982738239).

61020842460801 is a wasteful number, since it uses less digits than its factorization.

61020842460801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36821056.

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 61020842460801 in words is "sixty-one trillion, twenty billion, eight hundred forty-two million, four hundred sixty thousand, eight hundred one".

Divisors: 1 3 331 993 1669 5007 552439 1657317 36819053 110457159 12187106543 36561319629 61450999457 184352998371 20340280820267 61020842460801