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2145202355 = 52915499551
BaseRepresentation
bin111111111011101…
…0011000010110011
312112111120120102002
41333313103002303
513343132433410
6552511044215
7104105630162
oct17767230263
95474516362
102145202355
11a00a0230a
124ba51066b
1328258660a
14164c953d9
15c84e57a5
hex7fdd30b3

2145202355 has 16 divisors (see below), whose sum is σ = 2665008000. Its totient is φ = 1655740800.

The previous prime is 2145202349. The next prime is 2145202379. The reversal of 2145202355 is 5532025412.

It is not a de Polignac number, because 2145202355 - 226 = 2078093491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219830 + ... + 229380.

It is an arithmetic number, because the mean of its divisors is an integer number (166563000).

Almost surely, 22145202355 is an apocalyptic number.

2145202355 is a deficient number, since it is larger than the sum of its proper divisors (519805645).

2145202355 is a wasteful number, since it uses less digits than its factorization.

2145202355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134.

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

The square root of 2145202355 is about 46316.3292479013. The cubic root of 2145202355 is about 1289.7021436384.

Adding to 2145202355 its reverse (5532025412), we get a palindrome (7677227767).

The spelling of 2145202355 in words is "two billion, one hundred forty-five million, two hundred two thousand, three hundred fifty-five".

Divisors: 1 5 29 145 1549 7745 9551 44921 47755 224605 276979 1384895 14794499 73972495 429040471 2145202355