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29130031503 = 3223913542553
BaseRepresentation
bin11011001000010010…
…010000000110001111
32210012010021220221200
4123020102100012033
5434124242002003
621214313400543
72050604116356
oct331022200617
983163256850
1029130031503
1111399163901
12578b709153
132993084b41
1415a4aa899d
15b575806a3
hex6c849018f

29130031503 has 12 divisors (see below), whose sum is σ = 42252768480. Its totient is φ = 19338764256.

The previous prime is 29130031487. The next prime is 29130031517. The reversal of 29130031503 is 30513003192.

It is a happy number.

29130031503 is a `hidden beast` number, since 29 + 130 + 0 + 3 + 1 + 503 = 666.

It is not a de Polignac number, because 29130031503 - 24 = 29130031487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29130031003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6769126 + ... + 6773427.

It is an arithmetic number, because the mean of its divisors is an integer number (3521064040).

Almost surely, 229130031503 is an apocalyptic number.

29130031503 is a deficient number, since it is larger than the sum of its proper divisors (13122736977).

29130031503 is a wasteful number, since it uses less digits than its factorization.

29130031503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13542798 (or 13542795 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

Adding to 29130031503 its reverse (30513003192), we get a palindrome (59643034695).

The spelling of 29130031503 in words is "twenty-nine billion, one hundred thirty million, thirty-one thousand, five hundred three".

Divisors: 1 3 9 239 717 2151 13542553 40627659 121882977 3236670167 9710010501 29130031503