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3012640423 = 1310111871933
BaseRepresentation
bin1011001110010001…
…0011111010100111
321202221210222201221
42303210103322213
522132213443143
61214535201211
7134441010142
oct26344237247
97687728657
103012640423
111306614381
12700b16207
133901bbb90
14208177059
1512973e2ed
hexb3913ea7

3012640423 has 16 divisors (see below), whose sum is σ = 3280961376. Its totient is φ = 2749622400.

The previous prime is 3012640409. The next prime is 3012640429. The reversal of 3012640423 is 3240462103.

It is a cyclic number.

It is not a de Polignac number, because 3012640423 - 25 = 3012640391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012640429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557565 + ... + 1559497.

It is an arithmetic number, because the mean of its divisors is an integer number (205060086).

Almost surely, 23012640423 is an apocalyptic number.

3012640423 is a deficient number, since it is larger than the sum of its proper divisors (268320953).

3012640423 is a wasteful number, since it uses less digits than its factorization.

3012640423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3012640423 is about 54887.5252038202. The cubic root of 3012640423 is about 1444.2723591545.

The spelling of 3012640423 in words is "three billion, twelve million, six hundred forty thousand, four hundred twenty-three".

Divisors: 1 13 101 1187 1313 1933 15431 25129 119887 195233 1558531 2294471 2538029 29828123 231741571 3012640423