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2136415397 = 4397512207
BaseRepresentation
bin111111101010111…
…0001110010100101
312111220001010222012
41333111301302211
513333410243042
6551554444005
7103641142214
oct17725616245
95456033865
102136415397
119a6a50566
124b7593605
132807cac2c
14163a4907b
15c785be82
hex7f571ca5

2136415397 has 8 divisors (see below), whose sum is σ = 2208640896. Its totient is φ = 2065214592.

The previous prime is 2136415373. The next prime is 2136415439. The reversal of 2136415397 is 7935146312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2136415397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136415357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251933 + ... + 260274.

It is an arithmetic number, because the mean of its divisors is an integer number (276080112).

Almost surely, 22136415397 is an apocalyptic number.

It is an amenable number.

2136415397 is a deficient number, since it is larger than the sum of its proper divisors (72225499).

2136415397 is an equidigital number, since it uses as much as digits as its factorization.

2136415397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512347.

The product of its digits is 136080, while the sum is 41.

The square root of 2136415397 is about 46221.3738112575. The cubic root of 2136415397 is about 1287.9388186173.

The spelling of 2136415397 in words is "two billion, one hundred thirty-six million, four hundred fifteen thousand, three hundred ninety-seven".

Divisors: 1 43 97 4171 512207 22024901 49684079 2136415397