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29634467990 = 2523128845513
BaseRepresentation
bin11011100110010110…
…100001100010010110
32211111021110221201112
4123212112201202112
5441142410433430
621340333255022
72066240551601
oct334626414226
984437427645
1029634467990
1111627980466
1258b0634472
132a4373137a
141611a97338
15b869c3195
hex6e65a1896

29634467990 has 16 divisors (see below), whose sum is σ = 55661262048. Its totient is φ = 11338405056.

The previous prime is 29634467971. The next prime is 29634468001. The reversal of 29634467990 is 9976443692.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 64422527 + ... + 64422986.

It is an arithmetic number, because the mean of its divisors is an integer number (3478828878).

Almost surely, 229634467990 is an apocalyptic number.

29634467990 is a deficient number, since it is larger than the sum of its proper divisors (26026794058).

29634467990 is a wasteful number, since it uses less digits than its factorization.

29634467990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128845543.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 29634467990 in words is "twenty-nine billion, six hundred thirty-four million, four hundred sixty-seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 128845513 257691026 644227565 1288455130 2963446799 5926893598 14817233995 29634467990