Search a number
-
+
52551010553561 = 1322341488967447
BaseRepresentation
bin10111111001011011111000…
…10100010000111011011001
320220001211100021120102211222
423330231330110100323121
523341443432200203221
6303433333450501425
714032454013355562
oct1374557424207331
9226054307512758
1052551010553561
1115820838501253
125a888a3134875
132342701338800
14cd96a7d05169
15611e8bbcd9ab
hex2fcb7c510ed9

52551010553561 has 48 divisors (see below), whose sum is σ = 60840049294080. Its totient is φ = 45257927869440.

The previous prime is 52551010553501. The next prime is 52551010553599. The reversal of 52551010553561 is 16535501015525.

It is not a de Polignac number, because 52551010553561 - 26 = 52551010553497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52551010553501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 779111540 + ... + 779178986.

It is an arithmetic number, because the mean of its divisors is an integer number (1267501026960).

Almost surely, 252551010553561 is an apocalyptic number.

It is an amenable number.

52551010553561 is a deficient number, since it is larger than the sum of its proper divisors (8289038740519).

52551010553561 is a wasteful number, since it uses less digits than its factorization.

52551010553561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72426 (or 72413 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 52551010553561 in words is "fifty-two trillion, five hundred fifty-one billion, ten million, five hundred fifty-three thousand, five hundred sixty-one".

Divisors: 1 13 23 41 169 299 533 943 3887 4889 6929 12259 63557 67447 112447 159367 200449 826241 876811 1461811 1551281 2605837 2765327 4610327 11398543 19003543 20166653 33875881 35949251 59934251 63602521 262166489 329748383 467340263 779145263 826832773 4286728979 7584212809 10748826049 13519683703 55727476727 98594766517 175755888139 310952725169 1281731964721 2284826545807 4042385427197 52551010553561