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4025728351 = 29138818219
BaseRepresentation
bin1110111111110011…
…1011110101011111
3101101120010012010001
43233330323311133
531221041301401
61503245155131
7201522061231
oct35774736537
911346105101
104025728351
111786467327
1294425baa7
134c205c2a8
142a2930251
15188658601
hexeff3bd5f

4025728351 has 4 divisors (see below), whose sum is σ = 4164546600. Its totient is φ = 3886910104.

The previous prime is 4025728349. The next prime is 4025728361. The reversal of 4025728351 is 1538275204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4025728351 - 21 = 4025728349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4025728351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025728321) 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, 69409081 + ... + 69409138.

It is an arithmetic number, because the mean of its divisors is an integer number (1041136650).

Almost surely, 24025728351 is an apocalyptic number.

4025728351 is a deficient number, since it is larger than the sum of its proper divisors (138818249).

4025728351 is a wasteful number, since it uses less digits than its factorization.

4025728351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138818248.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 4025728351 is about 63448.6276526136. The cubic root of 4025728351 is about 1590.7972151563.

The spelling of 4025728351 in words is "four billion, twenty-five million, seven hundred twenty-eight thousand, three hundred fifty-one".

Divisors: 1 29 138818219 4025728351