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254312430213 = 3612699514889
BaseRepresentation
bin1110110011011000110…
…0111011101010000101
3220022102110201000020210
43230312030323222011
513131312440231323
6312455101550033
724242045663412
oct3546614735205
9808373630223
10254312430213
1198942811966
1241354875319
131ac9b64114a
14c447453109
156936706293
hex3b3633ba85

254312430213 has 16 divisors (see below), whose sum is σ = 344770344000. Its totient is φ = 166700138880.

The previous prime is 254312430199. The next prime is 254312430259. The reversal of 254312430213 is 312034213452.

It is not a de Polignac number, because 254312430213 - 25 = 254312430181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254312430313) 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, 236473 + ... + 751361.

It is an arithmetic number, because the mean of its divisors is an integer number (21548146500).

Almost surely, 2254312430213 is an apocalyptic number.

It is an amenable number.

254312430213 is a deficient number, since it is larger than the sum of its proper divisors (90457913787).

254312430213 is a wasteful number, since it uses less digits than its factorization.

254312430213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517652.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 254312430213 its reverse (312034213452), we get a palindrome (566346643665).

The spelling of 254312430213 in words is "two hundred fifty-four billion, three hundred twelve million, four hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 61 183 2699 8097 164639 493917 514889 1544667 31408229 94224687 1389685411 4169056233 84770810071 254312430213