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2057263145 = 5793762731
BaseRepresentation
bin111101010011111…
…0101100000101001
312022101002210111022
41322213311200221
513203124410040
6540050142225
7101660306510
oct17247654051
95271083438
102057263145
119662a9283
12494b81975
1326a2a6692
14157323677
15c09246b5
hex7a9f5829

2057263145 has 16 divisors (see below), whose sum is σ = 2824445568. Its totient is φ = 1409166720.

The previous prime is 2057263141. The next prime is 2057263163. The reversal of 2057263145 is 5413627502.

It is not a de Polignac number, because 2057263145 - 22 = 2057263141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (2057263141) 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, 1430 + ... + 64160.

It is an arithmetic number, because the mean of its divisors is an integer number (176527848).

Almost surely, 22057263145 is an apocalyptic number.

It is an amenable number.

2057263145 is a deficient number, since it is larger than the sum of its proper divisors (767182423).

2057263145 is an equidigital number, since it uses as much as digits as its factorization.

2057263145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63680.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2057263145 is about 45357.0627907055. The cubic root of 2057263145 is about 1271.8325879725.

The spelling of 2057263145 in words is "two billion, fifty-seven million, two hundred sixty-three thousand, one hundred forty-five".

Divisors: 1 5 7 35 937 4685 6559 32795 62731 313655 439117 2195585 58778947 293894735 411452629 2057263145