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893894014045 = 5178778802809
BaseRepresentation
bin11010000001000000011…
…11000011010001011101
310011110022000021212011101
431000200033003101131
5104121143331422140
61522352122553101
7121403345516134
oct15004017032135
93143260255141
10893894014045
1131510995a20a
121252ab368791
13663a8762076
143139c4a891b
15183bb45a99a
hexd0203c345d

893894014045 has 4 divisors (see below), whose sum is σ = 1072672816860. Its totient is φ = 715115211232.

The previous prime is 893894014043. The next prime is 893894014061. The reversal of 893894014045 is 540410498398.

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 166126347396 + 727767666649 = 407586^2 + 853093^2 .

It is a cyclic number.

It is not a de Polignac number, because 893894014045 - 21 = 893894014043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893894014043) 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, 89389401400 + ... + 89389401409.

It is an arithmetic number, because the mean of its divisors is an integer number (268168204215).

Almost surely, 2893894014045 is an apocalyptic number.

It is an amenable number.

893894014045 is a deficient number, since it is larger than the sum of its proper divisors (178778802815).

893894014045 is a wasteful number, since it uses less digits than its factorization.

893894014045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178778802814.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 893894014045 in words is "eight hundred ninety-three billion, eight hundred ninety-four million, fourteen thousand, forty-five".

Divisors: 1 5 178778802809 893894014045