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121372703 = 1943532803
BaseRepresentation
bin1110011110000…
…00000000011111
322110101101001022
413033000000133
5222032411303
620013234355
73002436164
oct717000037
9273341038
10121372703
116256a121
12347929bb
131c1b798a
141219606b
15a9c7438
hex73c001f

121372703 has 16 divisors (see below), whose sum is σ = 133246080. Its totient is φ = 110152224.

The previous prime is 121372649. The next prime is 121372721. The reversal of 121372703 is 307273121.

It is a cyclic number.

It is not a de Polignac number, because 121372703 - 216 = 121307167 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121372723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41900 + ... + 44702.

It is an arithmetic number, because the mean of its divisors is an integer number (8327880).

Almost surely, 2121372703 is an apocalyptic number.

121372703 is a deficient number, since it is larger than the sum of its proper divisors (11873377).

121372703 is a wasteful number, since it uses less digits than its factorization.

121372703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 121372703 is about 11016.9280200971. The cubic root of 121372703 is about 495.1160534610.

The spelling of 121372703 in words is "one hundred twenty-one million, three hundred seventy-two thousand, seven hundred three".

Divisors: 1 19 43 53 817 1007 2279 2803 43301 53257 120529 148559 2290051 2822621 6388037 121372703