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169393153924 = 22176473384841
BaseRepresentation
bin1001110111000010011…
…1100110011110000100
3121012020022002210210201
42131300213212132010
510233404121411144
6205452415100244
715144502023421
oct2356047463604
9535208083721
10169393153924
1165926023795
12289b5511684
1312c87302377
1482ad22ad48
1546164291d4
hex27709e6784

169393153924 has 24 divisors (see below), whose sum is σ = 313924855608. Its totient is φ = 79701903360.

The previous prime is 169393153871. The next prime is 169393153927. The reversal of 169393153924 is 429351393961.

169393153924 is digitally balanced in base 2, 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 75010254400 + 94382899524 = 273880^2 + 307218^2 .

It is not an unprimeable number, because it can be changed into a prime (169393153927) 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, 247744 + ... + 632584.

It is an arithmetic number, because the mean of its divisors is an integer number (13080202317).

Almost surely, 2169393153924 is an apocalyptic number.

It is an amenable number.

169393153924 is a deficient number, since it is larger than the sum of its proper divisors (144531701684).

169393153924 is a wasteful number, since it uses less digits than its factorization.

169393153924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391335 (or 391333 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 55.

The spelling of 169393153924 in words is "one hundred sixty-nine billion, three hundred ninety-three million, one hundred fifty-three thousand, nine hundred twenty-four".

Divisors: 1 2 4 17 34 68 6473 12946 25892 110041 220082 384841 440164 769682 1539364 6542297 13084594 26169188 2491075793 4982151586 9964303172 42348288481 84696576962 169393153924