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169026121 = 1117903883
BaseRepresentation
bin10100001001100…
…10001001001001
3102210001102020201
422010302021021
5321232313441
624434452201
74121461345
oct1204621111
9383042221
10169026121
1187457910
1248734061
1329030c74
141863c625
15ec8bc31
hexa132249

169026121 has 8 divisors (see below), whose sum is σ = 195238944. Its totient is φ = 144621120.

The previous prime is 169026113. The next prime is 169026127. The reversal of 169026121 is 121620961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 169026121 - 23 = 169026113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169026121.

It is not an unprimeable number, because it can be changed into a prime (169026127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451755 + ... + 452128.

It is an arithmetic number, because the mean of its divisors is an integer number (24404868).

Almost surely, 2169026121 is an apocalyptic number.

169026121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

169026121 is a deficient number, since it is larger than the sum of its proper divisors (26212823).

169026121 is a wasteful number, since it uses less digits than its factorization.

169026121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903911.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 169026121 is about 13001.0046150288. The cubic root of 169026121 is about 552.9059645409.

The spelling of 169026121 in words is "one hundred sixty-nine million, twenty-six thousand, one hundred twenty-one".

Divisors: 1 11 17 187 903883 9942713 15366011 169026121