Search a number
-
+
163456030340 = 2258172801517
BaseRepresentation
bin1001100000111010111…
…1010001011010000100
3120121220112100200100122
42120032233101122010
510134224220432330
6203031330001112
714544410222261
oct2301657213204
9517815320318
10163456030340
1163359738989
1227819116198
131254c27c8a5
147ca8908268
1543ba0b15e5
hex260ebd1684

163456030340 has 12 divisors (see below), whose sum is σ = 343257663756. Its totient is φ = 65382412128.

The previous prime is 163456030303. The next prime is 163456030391. The reversal of 163456030340 is 43030654361.

163456030340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 78667908484 + 84788121856 = 280478^2 + 291184^2 .

It is a super-2 number, since 2×1634560303402 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163456030340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4086400739 + ... + 4086400778.

It is an arithmetic number, because the mean of its divisors is an integer number (28604805313).

Almost surely, 2163456030340 is an apocalyptic number.

163456030340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163456030340 is an abundant number, since it is smaller than the sum of its proper divisors (179801633416).

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

163456030340 is a wasteful number, since it uses less digits than its factorization.

163456030340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172801526 (or 8172801524 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 163456030340 in words is "one hundred sixty-three billion, four hundred fifty-six million, thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 8172801517 16345603034 32691206068 40864007585 81728015170 163456030340