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93938540077 = 364325786039
BaseRepresentation
bin101011101111100101…
…1000101111000101101
322222110201221021102001
41113133023011320231
53014341231240302
6111053232532301
76533612262454
oct1273713057055
9288421837361
1093938540077
1136925947598
12162579b1091
138b20aa5375
144792013b9b
15269c011787
hex15df2c5e2d

93938540077 has 4 divisors (see below), whose sum is σ = 93964329760. Its totient is φ = 93912750396.

The previous prime is 93938540071. The next prime is 93938540081. The reversal of 93938540077 is 77004583939.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77004583939 = 104973407611.

It is a cyclic number.

It is not a de Polignac number, because 93938540077 - 27 = 93938539949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93938540071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12889377 + ... + 12896662.

It is an arithmetic number, because the mean of its divisors is an integer number (23491082440).

Almost surely, 293938540077 is an apocalyptic number.

It is an amenable number.

93938540077 is a deficient number, since it is larger than the sum of its proper divisors (25789683).

93938540077 is a wasteful number, since it uses less digits than its factorization.

93938540077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25789682.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 93938540077 in words is "ninety-three billion, nine hundred thirty-eight million, five hundred forty thousand, seventy-seven".

Divisors: 1 3643 25786039 93938540077