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29765487252 = 2232480457271
BaseRepresentation
bin11011101110001010…
…010100101010010100
32211211102000102100210
4123232022110222110
5441424431043002
621401333405420
72102421316134
oct335612245224
984742012323
1029765487252
1111694929146
125928499870
132a64915a67
141625240ac4
15b9325396c
hex6ee294a94

29765487252 has 12 divisors (see below), whose sum is σ = 69452803616. Its totient is φ = 9921829080.

The previous prime is 29765487247. The next prime is 29765487263. The reversal of 29765487252 is 25278456792.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 29765487192 and 29765487201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240228624 + ... + 1240228647.

Almost surely, 229765487252 is an apocalyptic number.

It is an amenable number.

29765487252 is an abundant number, since it is smaller than the sum of its proper divisors (39687316364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29765487252 is a wasteful number, since it uses less digits than its factorization.

29765487252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480457278 (or 2480457276 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 29765487252 in words is "twenty-nine billion, seven hundred sixty-five million, four hundred eighty-seven thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 2480457271 4960914542 7441371813 9921829084 14882743626 29765487252