Search a number
-
+
2793121045 = 5112131073319
BaseRepresentation
bin1010011001111011…
…1010010100010101
321012122202020202121
42212132322110111
521210014333140
61141054135541
7126134065021
oct24636722425
97178666677
102793121045
11120370a200
1265b4b15b1
1335688c160
141c6d53381
1511532b64a
hexa67ba515

2793121045 has 48 divisors (see below), whose sum is σ = 4005832320. Its totient is φ = 1857018240.

The previous prime is 2793121039. The next prime is 2793121057. The reversal of 2793121045 is 5401213972.

It is a happy number.

It is not a de Polignac number, because 2793121045 - 25 = 2793121013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2793121045.

It is a congruent number.

It is an unprimeable number.

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, 839896 + ... + 843214.

It is an arithmetic number, because the mean of its divisors is an integer number (83454840).

Almost surely, 22793121045 is an apocalyptic number.

It is an amenable number.

2793121045 is a deficient number, since it is larger than the sum of its proper divisors (1212711275).

2793121045 is a wasteful number, since it uses less digits than its factorization.

2793121045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466 (or 3455 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2793121045 is about 52849.9862346245. The cubic root of 2793121045 is about 1408.3045605814.

The spelling of 2793121045 in words is "two billion, seven hundred ninety-three million, one hundred twenty-one thousand, forty-five".

Divisors: 1 5 11 13 55 65 107 121 143 535 605 715 1177 1391 1573 3319 5885 6955 7865 12947 15301 16595 36509 43147 64735 76505 168311 182545 215735 355133 401599 474617 841555 1775665 2007995 2373085 3906463 4616729 5220787 19532315 23083645 26103935 42971093 50784019 214855465 253920095 558624209 2793121045