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5780121550 = 2527173672647
BaseRepresentation
bin1010110001000010…
…11010011111001110
3112220211022121010221
411120201122133032
543314202342200
62353320021554
7263144136220
oct53041323716
915824277127
105780121550
1124a6800965
1211539018ba
13711671788
143cb934410
1523c6a391a
hex15885a7ce

5780121550 has 96 divisors (see below), whose sum is σ = 13050021888. Its totient is φ = 1859397120.

The previous prime is 5780121547. The next prime is 5780121553. The reversal of 5780121550 is 551210875.

It is an interprime number because it is at equal distance from previous prime (5780121547) and next prime (5780121553).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5780121553) 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 47 ways as a sum of consecutive naturals, for example, 2182327 + ... + 2184973.

It is an arithmetic number, because the mean of its divisors is an integer number (135937728).

Almost surely, 25780121550 is an apocalyptic number.

5780121550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5780121550 is an abundant number, since it is smaller than the sum of its proper divisors (7269900338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5780121550 is a wasteful number, since it uses less digits than its factorization.

5780121550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 34.

The square root of 5780121550 is about 76027.1106250922. The cubic root of 5780121550 is about 1794.6468063085.

The spelling of 5780121550 in words is "five billion, seven hundred eighty million, one hundred twenty-one thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 17 25 34 35 50 70 85 119 170 175 238 350 367 425 595 734 850 1190 1835 2569 2647 2975 3670 5138 5294 5950 6239 9175 12478 12845 13235 18350 18529 25690 26470 31195 37058 43673 44999 62390 64225 66175 87346 89998 92645 128450 132350 155975 185290 218365 224995 311950 314993 436730 449990 463225 629986 926450 971449 1091825 1124975 1574965 1942898 2183650 2249950 3149930 4857245 6800143 7874825 9714490 13600286 15749650 16514633 24286225 33029266 34000715 48572450 68001430 82573165 115602431 165146330 170003575 231204862 340007150 412865825 578012155 825731650 1156024310 2890060775 5780121550