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4981876061864 = 23131924121794801
BaseRepresentation
bin100100001111110111011…
…1100111111011010101000
3122122021002111201200020012
41020133232330333122220
51123110340232434424
614332350421351052
71022633350554302
oct110375674773250
918567074650205
104981876061864
111650890183599
12685630268488
132a1a3428b410
141331a46d6972
15898cb535b0e
hex487eef3f6a8

4981876061864 has 128 divisors (see below), whose sum is σ = 10640041104000. Its totient is φ = 2167824384000.

The previous prime is 4981876061861. The next prime is 4981876061873. The reversal of 4981876061864 is 4681606781894.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4981876061794 and 4981876061803.

It is not an unprimeable number, because it can be changed into a prime (4981876061861) 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, 1037672264 + ... + 1037677064.

It is an arithmetic number, because the mean of its divisors is an integer number (83125321125).

Almost surely, 24981876061864 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 4981876061864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5320020552000).

4981876061864 is an abundant number, since it is smaller than the sum of its proper divisors (5658165042136).

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

4981876061864 is a wasteful number, since it uses less digits than its factorization.

4981876061864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7259 (or 7255 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 68.

The spelling of 4981876061864 in words is "four trillion, nine hundred eighty-one billion, eight hundred seventy-six million, sixty-one thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 241 247 482 494 964 988 1928 1976 2179 3133 4358 4579 4801 6266 8716 9158 9602 12532 17432 18316 19204 25064 28327 36632 38408 41401 56654 59527 62413 82802 91219 113308 119054 124826 165604 182438 226616 238108 249652 331208 364876 476216 499304 525139 538213 729752 1050278 1076426 1157041 1185847 2100556 2152852 2314082 2371694 4201112 4305704 4628164 4743388 6826807 9256328 9486776 9977641 10461379 13653614 15041533 19955282 20922758 21983779 27307228 30083066 39910564 41845516 43967558 54614456 60166132 79821128 83691032 87935116 120332264 129709333 135997927 175870232 198766201 259418666 271995854 285789127 397532402 518837332 543991708 571578254 795064804 1037674664 1087983416 1143156508 1590129608 2286313016 2521192339 2583960613 5042384678 5167921226 10084769356 10335842452 20169538712 20671684904 32775500407 47902654441 65551000814 95805308882 131102001628 191610617764 262204003256 383221235528 622734507733 1245469015466 2490938030932 4981876061864