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214472109309 = 3318925911817
BaseRepresentation
bin1100011110111110001…
…0001010110011111101
3202111120221010000021220
43013233202022303331
512003214324444214
6242305505343553
721331550564343
oct3075742126375
9674527100256
10214472109309
1182a58a07117
1235696337bb9
13172bc699273
14a54816d993
1558a3c619a9
hex31ef88acfd

214472109309 has 16 divisors (see below), whose sum is σ = 298504143360. Its totient is φ = 136814388480.

The previous prime is 214472109251. The next prime is 214472109329. The reversal of 214472109309 is 903901274412.

It is a happy number.

It is not a de Polignac number, because 214472109309 - 223 = 214463720701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214472109329) 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, 12947632 + ... + 12964185.

It is an arithmetic number, because the mean of its divisors is an integer number (18656508960).

Almost surely, 2214472109309 is an apocalyptic number.

It is an amenable number.

214472109309 is a deficient number, since it is larger than the sum of its proper divisors (84032034051).

214472109309 is a wasteful number, since it uses less digits than its factorization.

214472109309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25911940.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 214472109309 in words is "two hundred fourteen billion, four hundred seventy-two million, one hundred nine thousand, three hundred nine".

Divisors: 1 3 31 89 93 267 2759 8277 25911817 77735451 803266327 2306151713 2409798981 6918455139 71490703103 214472109309