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169361012 = 2258577229
BaseRepresentation
bin10100001100000…
…11111001110100
3102210200102122002
422012003321310
5321324023022
624445554432
74124354612
oct1206037164
9383612562
10169361012
1187666487
1248875a18
132911a522
14186c86b2
15ed06092
hexa183e74

169361012 has 12 divisors (see below), whose sum is σ = 296473380. Its totient is φ = 84654336.

The previous prime is 169361009. The next prime is 169361051. The reversal of 169361012 is 210163961.

It can be written as a sum of positive squares in 2 ways, for example, as 165997456 + 3363556 = 12884^2 + 1834^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19814 + ... + 27042.

It is an arithmetic number, because the mean of its divisors is an integer number (24706115).

Almost surely, 2169361012 is an apocalyptic number.

It is an amenable number.

169361012 is a deficient number, since it is larger than the sum of its proper divisors (127112368).

169361012 is a wasteful number, since it uses less digits than its factorization.

169361012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13090 (or 13088 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 169361012 is about 13013.8776696264. The cubic root of 169361012 is about 553.2708806791.

The spelling of 169361012 in words is "one hundred sixty-nine million, three hundred sixty-one thousand, twelve".

Divisors: 1 2 4 5857 7229 11714 14458 23428 28916 42340253 84680506 169361012