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121383027 = 3261721859
BaseRepresentation
bin1110011110000…
…10100001110011
322110101220012200
413033002201303
5222033224102
620013354243
73002511243
oct717024163
9273356180
10121383027
1162576957
1234798983
131c1bc59c
1412199b23
15a9ca51c
hex73c2873

121383027 has 12 divisors (see below), whose sum is σ = 175623240. Its totient is φ = 80787168.

The previous prime is 121383007. The next prime is 121383037. The reversal of 121383027 is 720383121.

It is not a de Polignac number, because 121383027 - 220 = 120334451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121383007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5377 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (14635270).

Almost surely, 2121383027 is an apocalyptic number.

121383027 is a deficient number, since it is larger than the sum of its proper divisors (54240213).

121383027 is a wasteful number, since it uses less digits than its factorization.

121383027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22482 (or 22479 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 121383027 is about 11017.3965618017. The cubic root of 121383027 is about 495.1300913050.

The spelling of 121383027 in words is "one hundred twenty-one million, three hundred eighty-three thousand, twenty-seven".

Divisors: 1 3 9 617 1851 5553 21859 65577 196731 13487003 40461009 121383027