Search a number
-
+
255031215525434 = 2975791227006371
BaseRepresentation
bin111001111111001100010101…
…000000100000111000111010
31020102222202010220102102221002
4321333030111000200320322
5231411412412133303214
62302223420100245002
7104501253160266635
oct7177142500407072
91212882126372832
10255031215525434
11742961495721a7
122472a9120a0762
13ac3c456c0a20a
1446d9810630c1c
151e73e31b001de
hexe7f315020e3a

255031215525434 has 16 divisors (see below), whose sum is σ = 386557346547456. Its totient is φ = 126179220700800.

The previous prime is 255031215525403. The next prime is 255031215525451. The reversal of 255031215525434 is 434525512130552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112379732 + ... + 114626639.

It is an arithmetic number, because the mean of its divisors is an integer number (24159834159216).

Almost surely, 2255031215525434 is an apocalyptic number.

255031215525434 is a deficient number, since it is larger than the sum of its proper divisors (131526131022022).

255031215525434 is a wasteful number, since it uses less digits than its factorization.

255031215525434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227012261.

The product of its (nonzero) digits is 3600000, while the sum is 47.

Adding to 255031215525434 its reverse (434525512130552), we get a palindrome (689556727655986).

The spelling of 255031215525434 in words is "two hundred fifty-five trillion, thirty-one billion, two hundred fifteen million, five hundred twenty-five thousand, four hundred thirty-four".

Divisors: 1 2 97 194 5791 11582 561727 1123454 227006371 454012742 22019617987 44039235974 1314593894461 2629187788922 127515607762717 255031215525434