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29110020819950 = 25272157155348731
BaseRepresentation
bin1101001111001101101000…
…11100110100101111101110
310211001220001101212001222102
412213212310130310233232
512303414310312214300
6141524543044415102
76063062311233200
oct647466434645756
9124056041761872
1029110020819950
119303543946644
1233218730a7492
1313320a8a80005
14728d0abc6770
153573423be0d5
hex1a79b4734bee

29110020819950 has 144 divisors (see below), whose sum is σ = 63427872012624. Its totient is φ = 9910418918400.

The previous prime is 29110020819949. The next prime is 29110020820061. The reversal of 29110020819950 is 5991802001192.

It is a junction number, because it is equal to n+sod(n) for n = 29110020819895 and 29110020819904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 597337085 + ... + 597385815.

It is an arithmetic number, because the mean of its divisors is an integer number (440471333421).

Almost surely, 229110020819950 is an apocalyptic number.

29110020819950 is an abundant number, since it is smaller than the sum of its proper divisors (34317851192674).

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

29110020819950 is a wasteful number, since it uses less digits than its factorization.

29110020819950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50467 (or 50455 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 47.

The spelling of 29110020819950 in words is "twenty-nine trillion, one hundred ten billion, twenty million, eight hundred nineteen thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 157 175 245 314 350 490 785 1099 1225 1553 1570 2198 2450 3106 3925 5495 7693 7765 7850 10871 10990 15386 15530 21742 27475 38465 38825 48731 54355 54950 76097 76930 77650 97462 108710 152194 192325 243655 243821 271775 341117 380485 384650 487310 487642 543550 682234 760970 1218275 1219105 1705585 1706747 1902425 2387819 2436550 2438210 3411170 3413494 3804850 4775638 6095525 7650767 8527925 8533735 11939095 11947229 12191050 15301534 17055850 17067470 23878190 23894458 38253835 42668675 53555369 59695475 59736145 75679243 76507670 85337350 107110738 119390950 119472290 151358486 191269175 267776845 298680725 374887583 378396215 382538350 529754701 535553690 597361450 749775166 756792430 1059509402 1338884225 1874437915 1891981075 2648773505 2677768450 3708282907 3748875830 3783962150 5297547010 7416565814 9372189575 11881641151 13243867525 18541414535 18744379150 23763282302 26487735050 37082829070 59408205755 83171488057 92707072675 118816411510 166342976114 185414145350 297041028775 415857440285 582200416399 594082057550 831714880570 1164400832798 2079287201425 2911002081995 4158574402850 5822004163990 14555010409975 29110020819950