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29148857432 = 234777523557
BaseRepresentation
bin11011001001011010…
…000100010001011000
32210020102201101021022
4123021122010101120
5434144101414212
621220225102012
72051223125432
oct331132042130
983212641238
1029148857432
11113a8852022
125795a87908
132996c46a46
1415a73a9652
15b5904d772
hex6c9684458

29148857432 has 16 divisors (see below), whose sum is σ = 55816961760. Its totient is φ = 14264334304.

The previous prime is 29148857417. The next prime is 29148857443. The reversal of 29148857432 is 23475884192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38761403 + ... + 38762154.

It is an arithmetic number, because the mean of its divisors is an integer number (3488560110).

Almost surely, 229148857432 is an apocalyptic number.

It is an amenable number.

29148857432 is a deficient number, since it is larger than the sum of its proper divisors (26668104328).

29148857432 is a wasteful number, since it uses less digits than its factorization.

29148857432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77523610 (or 77523606 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 29148857432 in words is "twenty-nine billion, one hundred forty-eight million, eight hundred fifty-seven thousand, four hundred thirty-two".

Divisors: 1 2 4 8 47 94 188 376 77523557 155047114 310094228 620188456 3643607179 7287214358 14574428716 29148857432