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13123202212209 = 315787833172313
BaseRepresentation
bin1011111011110111101111…
…0011100110000101110001
31201110120021112012101010010
42332331323303212011301
53210002304231242314
643524414343325133
72523056120206425
oct276757363460561
951416245171103
1013123202212209
1141aa578589291
12157b445a507a9
137426884071bb
14335248770b85
1517b570826059
hexbef7bce6171

13123202212209 has 16 divisors (see below), whose sum is σ = 17611063103232. Its totient is φ = 8692084123008.

The previous prime is 13123202212157. The next prime is 13123202212261. The reversal of 13123202212209 is 90221220232131.

It is an interprime number because it is at equal distance from previous prime (13123202212157) and next prime (13123202212261).

It is not a de Polignac number, because 13123202212209 - 29 = 13123202211697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13123202212609) 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, 2550637 + ... + 5722949.

It is an arithmetic number, because the mean of its divisors is an integer number (1100691443952).

Almost surely, 213123202212209 is an apocalyptic number.

It is an amenable number.

13123202212209 is a deficient number, since it is larger than the sum of its proper divisors (4487860891023).

13123202212209 is a wasteful number, since it uses less digits than its factorization.

13123202212209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181256.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 13123202212209 in words is "thirteen trillion, one hundred twenty-three billion, two hundred two million, two hundred twelve thousand, two hundred nine".

Divisors: 1 3 157 471 8783 26349 1378931 3172313 4136793 9516939 498053141 1494159423 27862425079 83587275237 4374400737403 13123202212209