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19534882829 = 7111699149323
BaseRepresentation
bin10010001100010111…
…101010100000001101
31212102102022212102212
4102030113222200031
5310001412222304
612550232200205
71261043523110
oct221427524015
955372285385
1019534882829
118314a28670
123952239065
131ac4217187
14d34610577
15794ee366e
hex48c5ea80d

19534882829 has 16 divisors (see below), whose sum is σ = 24369676800. Its totient is φ = 15212925360.

The previous prime is 19534882819. The next prime is 19534882849. The reversal of 19534882829 is 92828843591.

It is a cyclic number.

It is not a de Polignac number, because 19534882829 - 220 = 19533834253 is a prime.

It is a super-2 number, since 2×195348828292 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19534882819) 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, 56162 + ... + 205484.

It is an arithmetic number, because the mean of its divisors is an integer number (1523104800).

Almost surely, 219534882829 is an apocalyptic number.

It is an amenable number.

19534882829 is a deficient number, since it is larger than the sum of its proper divisors (4834793971).

19534882829 is a wasteful number, since it uses less digits than its factorization.

19534882829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151040.

The product of its digits is 9953280, while the sum is 59.

The spelling of 19534882829 in words is "nineteen billion, five hundred thirty-four million, eight hundred eighty-two thousand, eight hundred twenty-nine".

Divisors: 1 7 11 77 1699 11893 18689 130823 149323 1045261 1642553 11497871 253699777 1775898439 2790697547 19534882829