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34030040421 = 31319834431249
BaseRepresentation
bin11111101100010110…
…010011010101100101
310020211121112011112110
4133230112103111211
51024143142243141
623344433511233
72313203366556
oct375426232545
9106747464473
1034030040421
1113483086053
126718712519
1332942a3cc0
14190b77c32d
15d42834e16
hex7ec593565

34030040421 has 64 divisors (see below), whose sum is σ = 52214400000. Its totient is φ = 19540445184.

The previous prime is 34030040381. The next prime is 34030040453. The reversal of 34030040421 is 12404003043.

It is not a de Polignac number, because 34030040421 - 26 = 34030040357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34030040461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27245205 + ... + 27246453.

It is an arithmetic number, because the mean of its divisors is an integer number (815850000).

Almost surely, 234030040421 is an apocalyptic number.

It is an amenable number.

34030040421 is a deficient number, since it is larger than the sum of its proper divisors (18184359579).

34030040421 is a wasteful number, since it uses less digits than its factorization.

34030040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 34030040421 its reverse (12404003043), we get a palindrome (46434043464).

The spelling of 34030040421 in words is "thirty-four billion, thirty million, forty thousand, four hundred twenty-one".

Divisors: 1 3 13 19 39 57 83 247 249 443 741 1079 1249 1329 1577 3237 3747 4731 5759 8417 16237 17277 20501 23731 25251 36769 48711 61503 71193 103667 109421 110307 308503 311001 328263 477997 553307 698611 925509 1347671 1433991 1659921 1969673 2095833 4043013 5909019 7192991 9081943 10512833 21578973 25605749 27245829 31538499 45924481 76817247 136666829 137773443 410000487 597018253 872565139 1791054759 2617695417 11343346807 34030040421