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93554941921 = 7210318536743
BaseRepresentation
bin101011100100001001…
…1110001111111100001
322221111000010110122221
41113020103301333201
53013100031120141
6110551211031041
76521243612500
oct1271023617741
9287430113587
1093554941921
1136749364621
121616b43b481
138a8c4874cc
1447570bc837
1526784dcbd1
hex15c84f1fe1

93554941921 has 12 divisors (see below), whose sum is σ = 109885818432. Its totient is φ = 79411402728.

The previous prime is 93554941897. The next prime is 93554941927. The reversal of 93554941921 is 12914945539.

It is not a de Polignac number, because 93554941921 - 221 = 93552844769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93554941927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9263325 + ... + 9273418.

It is an arithmetic number, because the mean of its divisors is an integer number (9157151536).

Almost surely, 293554941921 is an apocalyptic number.

It is an amenable number.

93554941921 is a deficient number, since it is larger than the sum of its proper divisors (16330876511).

93554941921 is a wasteful number, since it uses less digits than its factorization.

93554941921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18536860 (or 18536853 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 52.

The spelling of 93554941921 in words is "ninety-three billion, five hundred fifty-four million, nine hundred forty-one thousand, nine hundred twenty-one".

Divisors: 1 7 49 103 721 5047 18536743 129757201 908300407 1909284529 13364991703 93554941921