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29934406668 = 2232494533889
BaseRepresentation
bin11011111000001110…
…101100110000001100
32212021011212102020110
4123320032230300030
5442301202003133
621430210120020
72106542154435
oct337016546014
985234772213
1029934406668
1111771212871
125974b80010
132a9090a28a
14163d85248c
15ba2ebdc63
hex6f83acc0c

29934406668 has 12 divisors (see below), whose sum is σ = 69846948920. Its totient is φ = 9978135552.

The previous prime is 29934406637. The next prime is 29934406669. The reversal of 29934406668 is 86660443992.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (29934406669) by changing a digit.

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, 1247266933 + ... + 1247266956.

Almost surely, 229934406668 is an apocalyptic number.

It is an amenable number.

29934406668 is an abundant number, since it is smaller than the sum of its proper divisors (39912542252).

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

29934406668 is a wasteful number, since it uses less digits than its factorization.

29934406668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494533896 (or 2494533894 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 29934406668 in words is "twenty-nine billion, nine hundred thirty-four million, four hundred six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2494533889 4989067778 7483601667 9978135556 14967203334 29934406668