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2145050355 = 357173263449
BaseRepresentation
bin111111111011010…
…1101111011110011
312112111021211220110
41333312231323303
513343113102410
6552503512403
7104104425060
oct17766557363
95474254813
102145050355
11a00909098
124ba458703
13282532386
14164c55c67
15c84b5720
hex7fdadef3

2145050355 has 64 divisors (see below), whose sum is σ = 3968870400. Its totient is φ = 969056256.

The previous prime is 2145050333. The next prime is 2145050377. The reversal of 2145050355 is 5530505412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2145050333) and next prime (2145050377).

It is not a de Polignac number, because 2145050355 - 218 = 2144788211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4777171 + ... + 4777619.

It is an arithmetic number, because the mean of its divisors is an integer number (62013600).

Almost surely, 22145050355 is an apocalyptic number.

2145050355 is a deficient number, since it is larger than the sum of its proper divisors (1823820045).

2145050355 is a wasteful number, since it uses less digits than its factorization.

2145050355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2145050355 is about 46314.6883288660. The cubic root of 2145050355 is about 1289.6716819657.

Adding to 2145050355 its reverse (5530505412), we get a palindrome (7675555767).

The spelling of 2145050355 in words is "two billion, one hundred forty-five million, fifty thousand, three hundred fifty-five".

Divisors: 1 3 5 7 15 21 35 105 173 263 449 519 789 865 1211 1315 1347 1841 2245 2595 3143 3633 3945 5523 6055 6735 9205 9429 15715 18165 27615 45499 47145 77677 118087 136497 227495 233031 318493 354261 388385 543739 590435 682485 826609 955479 1165155 1592465 1631217 1771305 2479827 2718695 4133045 4777395 8156085 12399135 20429051 61287153 102145255 143003357 306435765 429010071 715016785 2145050355