Search a number
-
+
121415010340 = 225131313564739
BaseRepresentation
bin111000100010011100…
…1100000100000100100
3102121101121202120202211
41301010321200200210
53442124220312330
6131435521013204
711525530362661
oct1610471404044
9377347676684
10121415010340
1147545676358
121b645784204
13b5ac3c00b0
145c3b244a68
153259312d2a
hex1c44e60824

121415010340 has 48 divisors (see below), whose sum is σ = 276680859840. Its totient is φ = 44487930240.

The previous prime is 121415010193. The next prime is 121415010341. The reversal of 121415010340 is 43010514121.

It is not an unprimeable number, because it can be changed into a prime (121415010341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1748310 + ... + 1816429.

It is an arithmetic number, because the mean of its divisors is an integer number (5764184580).

Almost surely, 2121415010340 is an apocalyptic number.

121415010340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121415010340 is an abundant number, since it is smaller than the sum of its proper divisors (155265849500).

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

121415010340 is a wasteful number, since it uses less digits than its factorization.

121415010340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564892 (or 3564890 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 121415010340 its reverse (43010514121), we get a palindrome (164425524461).

The spelling of 121415010340 in words is "one hundred twenty-one billion, four hundred fifteen million, ten thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 131 260 262 524 655 1310 1703 2620 3406 6812 8515 17030 34060 3564739 7129478 14258956 17823695 35647390 46341607 71294780 92683214 185366428 231708035 463416070 466980809 926832140 933961618 1867923236 2334904045 4669808090 6070750517 9339616180 12141501034 24283002068 30353752585 60707505170 121415010340