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1012665445 = 51143941941
BaseRepresentation
bin111100010111000…
…000110001100101
32121120111201211121
4330113000301211
54033220243240
6244252533541
734044341251
oct7427006145
92546451747
101012665445
1147a6945a0
122431812b1
13131a5302c
14986c7261
155dd8404a
hex3c5c0c65

1012665445 has 16 divisors (see below), whose sum is σ = 1328722560. Its totient is φ = 734788800.

The previous prime is 1012665427. The next prime is 1012665461. The reversal of 1012665445 is 5445662101.

It is not a de Polignac number, because 1012665445 - 27 = 1012665317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012665445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3175 + ... + 45115.

It is an arithmetic number, because the mean of its divisors is an integer number (83045160).

Almost surely, 21012665445 is an apocalyptic number.

It is an amenable number.

1012665445 is a deficient number, since it is larger than the sum of its proper divisors (316057115).

1012665445 is a wasteful number, since it uses less digits than its factorization.

1012665445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42396.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1012665445 is about 31822.4047645680. The cubic root of 1012665445 is about 1004.2041156430.

The spelling of 1012665445 in words is "one billion, twelve million, six hundred sixty-five thousand, four hundred forty-five".

Divisors: 1 5 11 55 439 2195 4829 24145 41941 209705 461351 2306755 18412099 92060495 202533089 1012665445