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3145245005 = 57559116073
BaseRepresentation
bin1011101101111000…
…1010000101001101
322010012100000000202
42323132022011031
522420140320010
61240033303245
7140641066340
oct27336120515
98105300022
103145245005
111374455141
12739404b25
133b180a026
1421ba14457
151361d46a5
hexbb78a14d

3145245005 has 16 divisors (see below), whose sum is σ = 4314518784. Its totient is φ = 2156219520.

The previous prime is 3145244929. The next prime is 3145245007. The reversal of 3145245005 is 5005425413.

It is not a de Polignac number, because 3145245005 - 214 = 3145228621 is a prime.

It is a super-2 number, since 2×31452450052 = 19785132282954900050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145245007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187649 + ... + 203721.

It is an arithmetic number, because the mean of its divisors is an integer number (269657424).

Almost surely, 23145245005 is an apocalyptic number.

3145245005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3145245005 is a deficient number, since it is larger than the sum of its proper divisors (1169273779).

3145245005 is a wasteful number, since it uses less digits than its factorization.

3145245005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21676.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 3145245005 is about 56082.4839410667. The cubic root of 3145245005 is about 1465.1592359540.

The spelling of 3145245005 in words is "three billion, one hundred forty-five million, two hundred forty-five thousand, five".

Divisors: 1 5 7 35 5591 16073 27955 39137 80365 112511 195685 562555 89864143 449320715 629049001 3145245005