Search a number
-
+
154035131500420 = 22517453044504413
BaseRepresentation
bin100011000001100000011001…
…010010111100011110000100
3202012101121121011021121221221
4203001200121102330132010
5130142202422131003140
61303334432412050124
744305446103453132
oct4301403122743604
9665347534247857
10154035131500420
1145097a290540a5
1215339059a63944
1367c45b1baaa01
142a074a94d6752
1512c1c1979314a
hex8c18194bc784

154035131500420 has 24 divisors (see below), whose sum is σ = 342501645336984. Its totient is φ = 57989696564736.

The previous prime is 154035131500391. The next prime is 154035131500423. The reversal of 154035131500420 is 24005131530451.

It can be written as a sum of positive squares in 4 ways, for example, as 58990141694016 + 95044989806404 = 7680504^2 + 9749102^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (154035131500423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226522251867 + ... + 226522252546.

It is an arithmetic number, because the mean of its divisors is an integer number (14270901889041).

Almost surely, 2154035131500420 is an apocalyptic number.

154035131500420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154035131500420 is an abundant number, since it is smaller than the sum of its proper divisors (188466513836564).

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

154035131500420 is a wasteful number, since it uses less digits than its factorization.

154035131500420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453044504439 (or 453044504437 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 154035131500420 in words is "one hundred fifty-four trillion, thirty-five billion, one hundred thirty-one million, five hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 453044504413 906089008826 1812178017652 2265222522065 4530445044130 7701756575021 9060890088260 15403513150042 30807026300084 38508782875105 77017565750210 154035131500420