Search a number
-
+
1081026153655 = 57107288658519
BaseRepresentation
bin11111011101100100010…
…11100000110010110111
310211100022120102111122221
433232302023200302313
5120202420143404110
62144341102103211
7141046556460160
oct17566213406267
93740276374587
101081026153655
11387508099448
1215561557ab07
137ac2bb96b66
143a4715ba767
151d1bed807da
hexfbb22e0cb7

1081026153655 has 16 divisors (see below), whose sum is σ = 1496405767680. Its totient is φ = 734347269792.

The previous prime is 1081026153619. The next prime is 1081026153659. The reversal of 1081026153655 is 5563516201801.

It is a cyclic number.

It is not a de Polignac number, because 1081026153655 - 211 = 1081026151607 is a prime.

It is a super-2 number, since 2×10810261536552 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081026153659) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 144325515 + ... + 144333004.

It is an arithmetic number, because the mean of its divisors is an integer number (93525360480).

Almost surely, 21081026153655 is an apocalyptic number.

1081026153655 is a deficient number, since it is larger than the sum of its proper divisors (415379614025).

1081026153655 is a wasteful number, since it uses less digits than its factorization.

1081026153655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288658638.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 1081026153655 in words is "one trillion, eighty-one billion, twenty-six million, one hundred fifty-three thousand, six hundred fifty-five".

Divisors: 1 5 7 35 107 535 749 3745 288658519 1443292595 2020609633 10103048165 30886461533 154432307665 216205230731 1081026153655