Search a number
-
+
169240882684820 = 22552116241927321
BaseRepresentation
bin100110011110110001110110…
…101100011010001110010100
3211012020021022002210010112112
4212132301312230122032110
5134140320311431403240
61355540104351410152
750435151562115222
oct4636616654321624
9735207262703475
10169240882684820
1149a1a7231a1831
1216b94025223958
137358467a98b3b
142db1433c0db12
151487525216665
hex99ec76b1a394

169240882684820 has 24 divisors (see below), whose sum is σ = 356088014607528. Its totient is φ = 67566417651200.

The previous prime is 169240882684799. The next prime is 169240882684843. The reversal of 169240882684820 is 28486288042961.

169240882684820 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 4 ways, for example, as 7965411157636 + 161275471527184 = 2822306^2 + 12699428^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8120953241 + ... + 8120974080.

It is an arithmetic number, because the mean of its divisors is an integer number (14837000608647).

Almost surely, 2169240882684820 is an apocalyptic number.

169240882684820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169240882684820 is an abundant number, since it is smaller than the sum of its proper divisors (186847131922708).

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

169240882684820 is a wasteful number, since it uses less digits than its factorization.

169240882684820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16241927851 (or 16241927849 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 68.

The spelling of 169240882684820 in words is "one hundred sixty-nine trillion, two hundred forty billion, eight hundred eighty-two million, six hundred eighty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 521 1042 2084 2605 5210 10420 16241927321 32483854642 64967709284 81209636605 162419273210 324838546420 8462044134241 16924088268482 33848176536964 42310220671205 84620441342410 169240882684820