Search a number
-
+
121203001310 = 25107142779379
BaseRepresentation
bin111000011100001000…
…0110000011111011110
3102120211211211102001112
41300320100300133132
53441210432020220
6131402504542022
711520344340566
oct1607020603736
9376754742045
10121203001310
1147446a30886
121b5a6781912
13b5774bc971
145c1b017da6
1532458d55c5
hex1c384307de

121203001310 has 32 divisors (see below), whose sum is σ = 220361420160. Its totient is φ = 47993843872.

The previous prime is 121203001301. The next prime is 121203001357. The reversal of 121203001310 is 13100302121.

It is a super-2 number, since 2×1212030013102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1487201 + ... + 1566579.

It is an arithmetic number, because the mean of its divisors is an integer number (6886294380).

Almost surely, 2121203001310 is an apocalyptic number.

121203001310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121203001310 is a deficient number, since it is larger than the sum of its proper divisors (99158418850).

121203001310 is a wasteful number, since it uses less digits than its factorization.

121203001310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80920.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121203001310 its reverse (13100302121), we get a palindrome (134303303431).

The spelling of 121203001310 in words is "one hundred twenty-one billion, two hundred three million, one thousand, three hundred ten".

Divisors: 1 2 5 10 107 214 535 1070 1427 2854 7135 14270 79379 152689 158758 305378 396895 763445 793790 1526890 8493553 16987106 42467765 84935530 113273833 226547666 566369165 1132738330 12120300131 24240600262 60601500655 121203001310