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54100415405 = 510820083081
BaseRepresentation
bin110010011000101000…
…101101001110101101
312011122100110212010002
4302120220231032231
51341244201243110
640504155354045
73623441641421
oct623050551655
9164570425102
1054100415405
1120a42301913
12a59a152925
13514241c02a
142893142b81
151619852aa5
hexc98a2d3ad

54100415405 has 4 divisors (see below), whose sum is σ = 64920498492. Its totient is φ = 43280332320.

The previous prime is 54100415363. The next prime is 54100415419. The reversal of 54100415405 is 50451400145.

54100415405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23515302409 + 30585112996 = 153347^2 + 174886^2 .

It is a de Polignac number, because none of the positive numbers 2k-54100415405 is a prime.

It is a super-2 number, since 2×541004154052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5410041536 + ... + 5410041545.

It is an arithmetic number, because the mean of its divisors is an integer number (16230124623).

Almost surely, 254100415405 is an apocalyptic number.

It is an amenable number.

54100415405 is a deficient number, since it is larger than the sum of its proper divisors (10820083087).

54100415405 is a wasteful number, since it uses less digits than its factorization.

54100415405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820083086.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 54100415405 in words is "fifty-four billion, one hundred million, four hundred fifteen thousand, four hundred five".

Divisors: 1 5 10820083081 54100415405