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29952173896 = 237351287969
BaseRepresentation
bin11011111001010010…
…011110011101001000
32212022102022002021221
4123321102132131020
5442320224031041
621432043011424
72110146164101
oct337122363510
985272262257
1029952173896
1111780248627
12597ab09b74
132a944bb328
141641d593a8
15ba482d2d1
hex6f949e748

29952173896 has 16 divisors (see below), whose sum is σ = 56929646700. Its totient is φ = 14770934784.

The previous prime is 29952173879. The next prime is 29952173897. The reversal of 29952173896 is 69837125992.

It can be written as a sum of positive squares in 2 ways, for example, as 27413424900 + 2538748996 = 165570^2 + 50386^2 .

It is not an unprimeable number, because it can be changed into a prime (29952173897) 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 3 ways as a sum of consecutive naturals, for example, 25643401 + ... + 25644568.

Almost surely, 229952173896 is an apocalyptic number.

It is an amenable number.

29952173896 is a deficient number, since it is larger than the sum of its proper divisors (26977472804).

29952173896 is a wasteful number, since it uses less digits than its factorization.

29952173896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51288048 (or 51288044 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 61.

The spelling of 29952173896 in words is "twenty-nine billion, nine hundred fifty-two million, one hundred seventy-three thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 73 146 292 584 51287969 102575938 205151876 410303752 3744021737 7488043474 14976086948 29952173896