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129453429630498 = 23743260911130109
BaseRepresentation
bin11101011011110010111001…
…101100000010011000100010
3121222100121221002102200111020
4131123302321230002120202
5113431431110441133443
61135154030134030310
736160462444213101
oct3533627154023042
9558317832380436
10129453429630498
113827a989200956
1212628b377a8396
13573053809626c
1423d7817d2a038
15ee75aa22c583
hex75bcb9b02622

129453429630498 has 32 divisors (see below), whose sum is σ = 259354713628800. Its totient is φ = 43076545349376.

The previous prime is 129453429630493. The next prime is 129453429630521. The reversal of 129453429630498 is 894036924354921.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129453429630493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6065868 + ... + 17195976.

It is an arithmetic number, because the mean of its divisors is an integer number (8104834800900).

Almost surely, 2129453429630498 is an apocalyptic number.

129453429630498 is an abundant number, since it is smaller than the sum of its proper divisors (129901283998302).

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

129453429630498 is a wasteful number, since it uses less digits than its factorization.

129453429630498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133466.

The product of its (nonzero) digits is 403107840, while the sum is 69.

It can be divided in two parts, 12945342 and 9630498, that added together give a triangular number (22575840 = T6719).

The spelling of 129453429630498 in words is "one hundred twenty-nine trillion, four hundred fifty-three billion, four hundred twenty-nine million, six hundred thirty thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 743 1486 2229 2609 4458 5218 7827 15654 1938487 3876974 5815461 11130109 11630922 22260218 33390327 66780654 8269670987 16539341974 24809012961 29038454381 49618025922 58076908762 87115363143 174230726286 21575571605083 43151143210166 64726714815249 129453429630498