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1601313645 = 35532014231
BaseRepresentation
bin101111101110010…
…0001101101101101
311010121011011100210
41133130201231231
511234414014040
6422521413033
754452640621
oct13734415555
94117134323
101601313645
11751999708
1238833a179
131c69a5989
14112957181
15958ad480
hex5f721b6d

1601313645 has 16 divisors (see below), whose sum is σ = 2610444672. Its totient is φ = 837919680.

The previous prime is 1601313629. The next prime is 1601313653. The reversal of 1601313645 is 5463131061.

It is not a de Polignac number, because 1601313645 - 24 = 1601313629 is a prime.

It is a super-3 number, since 3×16013136453 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006321 + ... + 1007910.

It is an arithmetic number, because the mean of its divisors is an integer number (163152792).

Almost surely, 21601313645 is an apocalyptic number.

1601313645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601313645 is a deficient number, since it is larger than the sum of its proper divisors (1009131027).

1601313645 is a wasteful number, since it uses less digits than its factorization.

1601313645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014292.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1601313645 is about 40016.4171934470. The cubic root of 1601313645 is about 1169.9271011633.

The spelling of 1601313645 in words is "one billion, six hundred one million, three hundred thirteen thousand, six hundred forty-five".

Divisors: 1 3 5 15 53 159 265 795 2014231 6042693 10071155 30213465 106754243 320262729 533771215 1601313645