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29144929148 = 2218161965033
BaseRepresentation
bin11011001001001011…
…000101001101111100
32210020011022210200022
4123021023011031330
5434142100213043
621220004551312
72051144544626
oct331113051574
983204283608
1029144929148
11113a6609705
1257946b2538
13299619ca0a
1415a6a65c16
15b58a24868
hex6c92c537c

29144929148 has 24 divisors (see below), whose sum is σ = 51369055920. Its totient is φ = 14468319360.

The previous prime is 29144929147. The next prime is 29144929207. The reversal of 29144929148 is 84192944192.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29144929148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29144929147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415640 + ... + 480672.

It is an arithmetic number, because the mean of its divisors is an integer number (2140377330).

Almost surely, 229144929148 is an apocalyptic number.

It is an amenable number.

29144929148 is a deficient number, since it is larger than the sum of its proper divisors (22224126772).

29144929148 is a wasteful number, since it uses less digits than its factorization.

29144929148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65837 (or 65835 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The spelling of 29144929148 in words is "twenty-nine billion, one hundred forty-four million, nine hundred twenty-nine thousand, one hundred forty-eight".

Divisors: 1 2 4 181 362 619 724 1238 2476 65033 112039 130066 224078 260132 448156 11770973 23541946 40255427 47083892 80510854 161021708 7286232287 14572464574 29144929148