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121450106 = 2197308249
BaseRepresentation
bin1110011110100…
…10111001111010
322110112022020002
413033102321322
5222042400411
620015033002
73003210641
oct717227172
9273468202
10121450106
1162612298
123480b762
131c213c8b
14121b6358
15a9e033b
hex73d2e7a

121450106 has 8 divisors (see below), whose sum is σ = 183100500. Its totient is φ = 60416608.

The previous prime is 121450099. The next prime is 121450127. The reversal of 121450106 is 601054121.

It can be written as a sum of positive squares in 2 ways, for example, as 120802081 + 648025 = 10991^2 + 805^2 .

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

It is a super-2 number, since 2×1214501062 = 29500256494822472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153731 + ... + 154518.

Almost surely, 2121450106 is an apocalyptic number.

121450106 is a deficient number, since it is larger than the sum of its proper divisors (61650394).

121450106 is a wasteful number, since it uses less digits than its factorization.

121450106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308448.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 121450106 is about 11020.4403723263. The cubic root of 121450106 is about 495.2212811966.

The spelling of 121450106 in words is "one hundred twenty-one million, four hundred fifty thousand, one hundred six".

Divisors: 1 2 197 394 308249 616498 60725053 121450106