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121000108 = 2243703489
BaseRepresentation
bin1110011011001…
…01000010101100
322102200102221111
413031211002230
5221434000413
620001241404
72666324665
oct715450254
9272612844
10121000108
1162335199
1234633264
131c0b71c8
14120da36c
15a951d3d
hex73650ac

121000108 has 12 divisors (see below), whose sum is σ = 216674920. Its totient is φ = 59092992.

The previous prime is 121000049. The next prime is 121000123. The reversal of 121000108 is 801000121.

It is a super-2 number, since 2×1210001082 = 29282052272023328, which contains 22 as substring.

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, 351573 + ... + 351916.

Almost surely, 2121000108 is an apocalyptic number.

It is an amenable number.

121000108 is a deficient number, since it is larger than the sum of its proper divisors (95674812).

121000108 is a wasteful number, since it uses less digits than its factorization.

121000108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703536 (or 703534 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 121000108 is about 11000.0049090898. The cubic root of 121000108 is about 494.6088914811.

Adding to 121000108 its sum of digits (13), we get a palindrome (121000121).

Adding to 121000108 its reverse (801000121), we get a palindrome (922000229).

The spelling of 121000108 in words is "one hundred twenty-one million, one hundred eight", and thus it is an aban number.

Divisors: 1 2 4 43 86 172 703489 1406978 2813956 30250027 60500054 121000108