Search a number
-
+
486129921684 = 2231137517919219
BaseRepresentation
bin1110001001011111001…
…10011110111010010100
31201110210020012201201020
413010233212132322110
530431043224443214
61011154111201140
750056516104261
oct7045746367224
91643706181636
10486129921684
11178191738360
127a26bb161b0
1336ac372ab44
14197590ca268
15c9a31154a9
hex712f99ee94

486129921684 has 96 divisors (see below), whose sum is σ = 1271176972800. Its totient is φ = 143295557760.

The previous prime is 486129921653. The next prime is 486129921689.

It is a happy number.

486129921684 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486129921689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25284627 + ... + 25303845.

It is an arithmetic number, because the mean of its divisors is an integer number (13241426800).

Almost surely, 2486129921684 is an apocalyptic number.

486129921684 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 486129921684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635588486400).

486129921684 is an abundant number, since it is smaller than the sum of its proper divisors (785047051116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486129921684 is a wasteful number, since it uses less digits than its factorization.

486129921684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24453 (or 24451 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 60.

The spelling of 486129921684 in words is "four hundred eighty-six billion, one hundred twenty-nine million, nine hundred twenty-one thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 111 132 148 222 407 444 814 1221 1628 2442 4884 5179 10358 15537 19219 20716 31074 38438 56969 57657 62148 76876 113938 115314 170907 191623 211409 227876 230628 341814 383246 422818 574869 634227 683628 711103 766492 845636 1149738 1268454 1422206 2107853 2133309 2299476 2536908 2844412 4215706 4266618 6323559 7822133 8431412 8533236 12647118 15644266 23466399 25294236 31288532 46932798 93865596 99535201 199070402 298605603 398140804 597211206 1094887211 1194422412 2189774422 3284661633 3682802437 4379548844 6569323266 7365604874 11048407311 13138646532 14731209748 22096814622 40510826807 44193629244 81021653614 121532480421 162043307228 243064960842 486129921684