Search a number
-
+
613678676448 = 25379631128237
BaseRepresentation
bin10001110111000100001…
…10010111100111100000
32011200000022200211000110
420323202012113213200
540023303220121243
61145530423451320
762223346453125
oct10734206274740
92150008624013
10613678676448
11217294683682
129ab278b6b40
1345b3c8138b6
14219b8bd674c
1510e6ab7de33
hex8ee21979e0

613678676448 has 96 divisors (see below), whose sum is σ = 1633895746560. Its totient is φ = 201648545280.

The previous prime is 613678676417. The next prime is 613678676467. The reversal of 613678676448 is 844676876316.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×6136786764483 (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4721386 + ... + 4849622.

It is an arithmetic number, because the mean of its divisors is an integer number (17019747360).

Almost surely, 2613678676448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613678676448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816947873280).

613678676448 is an abundant number, since it is smaller than the sum of its proper divisors (1020217070112).

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

613678676448 is a wasteful number, since it uses less digits than its factorization.

613678676448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128960 (or 128952 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 66.

The spelling of 613678676448 in words is "six hundred thirteen billion, six hundred seventy-eight million, six hundred seventy-six thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 79 96 158 237 316 474 631 632 948 1262 1264 1893 1896 2524 2528 3786 3792 5048 7572 7584 10096 15144 20192 30288 49849 60576 99698 128237 149547 199396 256474 299094 384711 398792 512948 598188 769422 797584 1025896 1196376 1538844 1595168 2051792 2392752 3077688 4103584 4785504 6155376 10130723 12310752 20261446 30392169 40522892 60784338 80917547 81045784 121568676 161835094 162091568 242752641 243137352 323670188 324183136 485505282 486274704 647340376 971010564 972549408 1294680752 1942021128 2589361504 3884042256 6392486213 7768084512 12784972426 19177458639 25569944852 38354917278 51139889704 76709834556 102279779408 153419669112 204559558816 306839338224 613678676448