Search a number
-
+
12103033011020 = 2257471839366719
BaseRepresentation
bin1011000000011111010011…
…1110111011101101001100
31120212001001011212100222122
42300013310332323231030
53041244002422323040
641424020121032112
72356262304112520
oct260076476735514
946761034770878
1012103033011020
11394695a677a86
121435795325638
1369a4076a11b3
142dbb0b799d80
1515ec635701b5
hexb01f4fbbb4c

12103033011020 has 48 divisors (see below), whose sum is σ = 29665306460160. Its totient is φ = 4061321713344.

The previous prime is 12103033010983. The next prime is 12103033011079. The reversal of 12103033011020 is 2011033030121.

It is a self number, because there is not a number n which added to its sum of digits gives 12103033011020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919676780 + ... + 919689939.

It is an arithmetic number, because the mean of its divisors is an integer number (618027217920).

Almost surely, 212103033011020 is an apocalyptic number.

12103033011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103033011020 is an abundant number, since it is smaller than the sum of its proper divisors (17562273449140).

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

12103033011020 is a wasteful number, since it uses less digits than its factorization.

12103033011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839366782 (or 1839366780 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12103033011020 its reverse (2011033030121), we get a palindrome (14114066041141).

The spelling of 12103033011020 in words is "twelve trillion, one hundred three billion, thirty-three million, eleven thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 47 70 94 140 188 235 329 470 658 940 1316 1645 3290 6580 1839366719 3678733438 7357466876 9196833595 12875567033 18393667190 25751134066 36787334380 51502268132 64377835165 86450235793 128755670330 172900471586 257511340660 345800943172 432251178965 605151650551 864502357930 1210303301102 1729004715860 2420606602204 3025758252755 6051516505510 12103033011020