Search a number
-
+
121210010233 = 1341795635113
BaseRepresentation
bin111000011100010101…
…1011111101001111001
3102120212100000111111021
41300320223133221321
53441214230311413
6131403315102441
711520461042014
oct1607053375171
9376770014437
10121210010233
114744a988784
121b5a8ba1a21
13b578aa4c60
145c1bd2037b
15324631c18d
hex1c38adfa79

121210010233 has 32 divisors (see below), whose sum is σ = 135677283840. Its totient is φ = 107563023360.

The previous prime is 121210010219. The next prime is 121210010239. The reversal of 121210010233 is 332010012121.

It is not a de Polignac number, because 121210010233 - 29 = 121210009721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210010239) 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, 23703685 + ... + 23708797.

It is an arithmetic number, because the mean of its divisors is an integer number (4239915120).

Almost surely, 2121210010233 is an apocalyptic number.

121210010233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121210010233 is a deficient number, since it is larger than the sum of its proper divisors (14467273607).

121210010233 is a wasteful number, since it uses less digits than its factorization.

121210010233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121210010233 its reverse (332010012121), we get a palindrome (453220022354).

The spelling of 121210010233 in words is "one hundred twenty-one billion, two hundred ten million, ten thousand, two hundred thirty-three".

Divisors: 1 13 41 79 533 563 1027 3239 5113 7319 23083 42107 44477 66469 209633 300079 403927 578201 1823557 2725229 2878619 5251051 16561007 23706241 37422047 118023379 215293091 227410901 1534303927 2956341713 9323846941 121210010233