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117480121 = 1110680011
BaseRepresentation
bin1110000000010…
…01101010111001
322012001121102121
413000021222321
5220033330441
615354001241
72624364433
oct700115271
9265047377
10117480121
1160350610
1233416221
131b453c85
1411861653
15a4a8dd1
hex7009ab9

117480121 has 4 divisors (see below), whose sum is σ = 128160144. Its totient is φ = 106800100.

The previous prime is 117480107. The next prime is 117480127. The reversal of 117480121 is 121084711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121084711 = 1111007701.

It is not a de Polignac number, because 117480121 - 27 = 117479993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117480127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5339995 + ... + 5340016.

It is an arithmetic number, because the mean of its divisors is an integer number (32040036).

Almost surely, 2117480121 is an apocalyptic number.

117480121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117480121 is a deficient number, since it is larger than the sum of its proper divisors (10680023).

117480121 is a wasteful number, since it uses less digits than its factorization.

117480121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680022.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 117480121 is about 10838.8247056588. The cubic root of 117480121 is about 489.7654312506.

The spelling of 117480121 in words is "one hundred seventeen million, four hundred eighty thousand, one hundred twenty-one".

Divisors: 1 11 10680011 117480121