Search a number
-
+
29572899939980 = 22523331417746499
BaseRepresentation
bin1101011100101011110100…
…01100100010011010001100
310212201010211020120200220122
412232111322030202122030
512334010244341034410
6142521334102404112
76141400012646645
oct656257214423214
9125633736520818
1029572899939980
119471884063541
123397514430638
131366935488447
1474349bd7a6cc
153643d4182e55
hex1ae57a32268c

29572899939980 has 96 divisors (see below), whose sum is σ = 65015963712000. Its totient is φ = 11277721635840.

The previous prime is 29572899939971. The next prime is 29572899940007. The reversal of 29572899939980 is 8993999827592.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635966771 + ... + 636013269.

It is an arithmetic number, because the mean of its divisors is an integer number (677249622000).

Almost surely, 229572899939980 is an apocalyptic number.

29572899939980 is a gapful number since it is divisible by the number (20) 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 29572899939980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32507981856000).

29572899939980 is an abundant number, since it is smaller than the sum of its proper divisors (35443063772020).

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

29572899939980 is a wasteful number, since it uses less digits than its factorization.

29572899939980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51039 (or 51037 counting only the distinct ones).

The product of its (nonzero) digits is 14285134080, while the sum is 89.

The spelling of 29572899939980 in words is "twenty-nine trillion, five hundred seventy-two billion, eight hundred ninety-nine million, nine hundred thirty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 331 460 662 1324 1655 3310 4177 6620 7613 8354 15226 16708 20885 30452 38065 41770 46499 76130 83540 92998 96071 152260 185996 192142 232495 384284 464990 480355 929980 960710 1069477 1382587 1921420 2138954 2765174 4277908 5347385 5530348 6912935 10694770 13825870 15391169 21389540 27651740 30782338 31799501 61564676 63599002 76955845 127198004 153911690 158997505 194226323 307823380 317995010 353996887 388452646 635990020 707993774 776905292 971131615 1415987548 1769984435 1942263230 3539968870 3884526460 4467205429 7079937740 8934410858 17868821716 22336027145 44672054290 64288912913 89344108580 128577825826 257155651652 321444564565 642889129130 1285778258260 1478644996999 2957289993998 5914579987996 7393224984995 14786449969990 29572899939980