Search a number
-
+
561247742056270 = 25157673559635581
BaseRepresentation
bin111111110011100111010110…
…0010010111101011101001110
32201121012202112010210000111111
41333213032230102331131032
51042030440333431300040
65305401353034442234
7226134545153531653
oct17747165422753516
92647182463700444
10561247742056270
11152915915768515
1252b456a529337a
131b12258685b1c9
149c8476dba9c2a
1544d451d6badea
hex1fe73ac4bd74e

561247742056270 has 16 divisors (see below), whose sum is σ = 1010310009425568. Its totient is φ = 224484858217120.

The previous prime is 561247742056223. The next prime is 561247742056277. The reversal of 561247742056270 is 72650247742165.

It is a super-2 number, since 2×5612477420562702 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561247742056277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779660121 + ... + 1779975460.

It is an arithmetic number, because the mean of its divisors is an integer number (63144375589098).

Almost surely, 2561247742056270 is an apocalyptic number.

561247742056270 is a deficient number, since it is larger than the sum of its proper divisors (449062267369298).

561247742056270 is a wasteful number, since it uses less digits than its factorization.

561247742056270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559651355.

The product of its (nonzero) digits is 39513600, while the sum is 58.

The spelling of 561247742056270 in words is "five hundred sixty-one trillion, two hundred forty-seven billion, seven hundred forty-two million, fifty-six thousand, two hundred seventy".

Divisors: 1 2 5 10 15767 31534 78835 157670 3559635581 7119271162 17798177905 35596355810 56124774205627 112249548411254 280623871028135 561247742056270