Search a number
-
+
16144545354 = 237897196007
BaseRepresentation
bin11110000100100101…
…00011011001001010
31112200010210212202020
433002102203121022
5231031000422404
611230001345310
71111035241230
oct170222433112
945603725666
1016144545354
1169351a1973
123166938236
1316a39c5422
14ad223a950
15647548ed9
hex3c24a364a

16144545354 has 64 divisors (see below), whose sum is σ = 37374566400. Its totient is φ = 4553797248.

The previous prime is 16144545353. The next prime is 16144545401. The reversal of 16144545354 is 45354544161.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (16144545353) 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, 2684619 + ... + 2690625.

It is an arithmetic number, because the mean of its divisors is an integer number (583977600).

Almost surely, 216144545354 is an apocalyptic number.

16144545354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16144545354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18687283200).

16144545354 is an abundant number, since it is smaller than the sum of its proper divisors (21230021046).

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

16144545354 is a wasteful number, since it uses less digits than its factorization.

16144545354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827.

The product of its digits is 576000, while the sum is 42.

The spelling of 16144545354 in words is "sixteen billion, one hundred forty-four million, five hundred forty-five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 89 178 267 534 623 719 1246 1438 1869 2157 3738 4314 5033 6007 10066 12014 15099 18021 30198 36042 42049 63991 84098 126147 127982 191973 252294 383946 447937 534623 895874 1069246 1343811 1603869 2687622 3207738 3742361 4319033 7484722 8638066 11227083 12957099 22454166 25914198 30233231 60466462 90699693 181399386 384393937 768787874 1153181811 2306363622 2690757559 5381515118 8072272677 16144545354