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51631211024055 = 33513417039101939
BaseRepresentation
bin10111011110101010100111…
…11111100000111010110111
320202210220011212111001012000
423233111103333200322313
523231411210010232210
6301451014554430343
713606142353355325
oct1357252377407267
9222726155431160
1051631211024055
11154a6745666933
12595a5841323b3
1322a6a57895290
14ca6d6d0dcd15
155e80a6334ac0
hex2ef553fe0eb7

51631211024055 has 128 divisors (see below), whose sum is σ = 101275840512000. Its totient is φ = 24794714096640.

The previous prime is 51631211024033. The next prime is 51631211024077. The reversal of 51631211024055 is 55042011213615.

51631211024055 is a `hidden beast` number, since 5 + 1 + 6 + 31 + 211 + 0 + 2 + 405 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (51631211024033) and next prime (51631211024077).

It is not a de Polignac number, because 51631211024055 - 216 = 51631210958519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 506440276 + ... + 506542214.

It is an arithmetic number, because the mean of its divisors is an integer number (791217504000).

Almost surely, 251631211024055 is an apocalyptic number.

51631211024055 is a deficient number, since it is larger than the sum of its proper divisors (49644629487945).

51631211024055 is a wasteful number, since it uses less digits than its factorization.

51631211024055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109046 (or 109040 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 51631211024055 in words is "fifty-one trillion, six hundred thirty-one billion, two hundred eleven million, twenty-four thousand, fifty-five".

Divisors: 1 3 5 9 13 15 27 39 41 45 65 117 123 135 195 205 351 369 533 585 615 1107 1599 1755 1845 2665 4797 5535 7039 7995 14391 21117 23985 35195 63351 71955 91507 101939 105585 190053 274521 288599 305817 316755 457535 509695 823563 865797 917451 950265 1325207 1372605 1442995 1529085 2470689 2597391 2752353 3751787 3975621 4117815 4179499 4328985 4587255 6626035 7792173 11255361 11926863 12353445 12538497 12986955 13761765 18758935 19878105 20897495 33766083 35780589 37615491 38960865 54333487 56276805 59634315 62692485 101298249 112846473 163000461 168830415 178902945 188077455 271667435 489001383 506491245 564232365 717548621 815002305 1467004149 2152645863 2445006915 3587743105 6457937589 7335020745 9328132073 10763229315 19373812767 27984396219 29419493461 32289687945 46640660365 83953188657 88258480383 96869063835 139921981095 147097467305 251859565971 264775441149 382453414993 419765943285 441292401915 794326323447 1147360244979 1259297829855 1323877205745 1912267074965 3442080734937 3971631617235 5736801224895 10326242204811 17210403674685 51631211024055