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29894057752 = 2313287442863
BaseRepresentation
bin11011110101110100…
…110001111100011000
32212011100221110221011
4123311310301330120
5442210334322002
621422205223304
72105542204216
oct336564617430
985140843834
1029894057752
1111750464059
125963561b34
132a85450990
14163834bcb6
15b9e69d8d7
hex6f5d31f18

29894057752 has 16 divisors (see below), whose sum is σ = 60363001440. Its totient is φ = 13797257376.

The previous prime is 29894057717. The next prime is 29894057761. The reversal of 29894057752 is 25775049892.

It is a super-2 number, since 2×298940577522 (a number of 22 digits) contains 22 as substring.

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, 143721328 + ... + 143721535.

It is an arithmetic number, because the mean of its divisors is an integer number (3772687590).

Almost surely, 229894057752 is an apocalyptic number.

It is an amenable number.

29894057752 is an abundant number, since it is smaller than the sum of its proper divisors (30468943688).

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

29894057752 is a wasteful number, since it uses less digits than its factorization.

29894057752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287442882 (or 287442878 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 29894057752 in words is "twenty-nine billion, eight hundred ninety-four million, fifty-seven thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 287442863 574885726 1149771452 2299542904 3736757219 7473514438 14947028876 29894057752