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169393153864 = 231115973120511
BaseRepresentation
bin1001110111000010011…
…1100110011101001000
3121012020022002210201111
42131300213212131020
510233404121410424
6205452415100104
715144502023304
oct2356047463510
9535208083644
10169393153864
1165926023740
12289b5511634
1312c8730232c
1482ad22ad04
154616429194
hex27709e6748

169393153864 has 32 divisors (see below), whose sum is σ = 346510563840. Its totient is φ = 76991428800.

The previous prime is 169393153861. The next prime is 169393153871. The reversal of 169393153864 is 468351393961.

It is a happy number.

169393153864 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 169393153799 and 169393153808.

It is not an unprimeable number, because it can be changed into a prime (169393153861) 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, 1345369 + ... + 1465879.

It is an arithmetic number, because the mean of its divisors is an integer number (10828455120).

Almost surely, 2169393153864 is an apocalyptic number.

It is an amenable number.

169393153864 is an abundant number, since it is smaller than the sum of its proper divisors (177117409976).

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

169393153864 is a wasteful number, since it uses less digits than its factorization.

169393153864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136501 (or 136497 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 58.

The spelling of 169393153864 in words is "one hundred sixty-nine billion, three hundred ninety-three million, one hundred fifty-three thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 15973 31946 63892 120511 127784 175703 241022 351406 482044 702812 964088 1325621 1405624 2651242 5302484 10604968 1924922203 3849844406 7699688812 15399377624 21174144233 42348288466 84696576932 169393153864