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129633833468 = 22265912188213
BaseRepresentation
bin111100010111011000…
…1110101000111111100
3110101121101221001120102
41320232301311013330
54110442230132333
6135315234540232
712236306255306
oct1705661650774
9411541831512
10129633833468
114aa82a12867
122115a137678
13c2bc07b049
1463ba9d0976
15358ab34ae8
hex1e2ec751fc

129633833468 has 12 divisors (see below), whose sum is σ = 226944544680. Its totient is φ = 64792534992.

The previous prime is 129633833449. The next prime is 129633833507. The reversal of 129633833468 is 864338336921.

It is a happy number.

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, 6083471 + ... + 6104742.

It is an arithmetic number, because the mean of its divisors is an integer number (18912045390).

Almost surely, 2129633833468 is an apocalyptic number.

It is an amenable number.

129633833468 is a deficient number, since it is larger than the sum of its proper divisors (97310711212).

129633833468 is a wasteful number, since it uses less digits than its factorization.

129633833468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12190876 (or 12190874 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 56.

The spelling of 129633833468 in words is "one hundred twenty-nine billion, six hundred thirty-three million, eight hundred thirty-three thousand, four hundred sixty-eight".

Divisors: 1 2 4 2659 5318 10636 12188213 24376426 48752852 32408458367 64816916734 129633833468