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131399892206 = 211372634491367
BaseRepresentation
bin111101001100000001…
…0110011110011101110
3110120011111002010201022
41322120002303303232
54123101333022311
6140210403414142
712331132440512
oct1723002636356
9416144063638
10131399892206
11507a98a4940
1221571684352
13c510c1620b
146507390142
153640bd65db
hex1e980b3cee

131399892206 has 64 divisors (see below), whose sum is σ = 222325171200. Its totient is φ = 57720821760.

The previous prime is 131399892199. The next prime is 131399892229. The reversal of 131399892206 is 602298993131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96122135 + ... + 96123501.

It is an arithmetic number, because the mean of its divisors is an integer number (3473830800).

Almost surely, 2131399892206 is an apocalyptic number.

131399892206 is a deficient number, since it is larger than the sum of its proper divisors (90925278994).

131399892206 is a wasteful number, since it uses less digits than its factorization.

131399892206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 131399892206 in words is "one hundred thirty-one billion, three hundred ninety-nine million, eight hundred ninety-two thousand, two hundred six".

Divisors: 1 2 11 22 37 74 263 407 449 526 814 898 1367 2734 2893 4939 5786 9731 9878 15037 16613 19462 30074 33226 50579 101158 107041 118087 182743 214082 236174 359521 365486 556369 613783 719042 1112738 1227566 1298957 2597914 3954731 4369219 6751613 7909462 8738438 13302277 13503226 22709971 26604554 45419942 48061409 96122818 146325047 161424929 249809681 292650094 322849858 499619362 1775674219 3551348438 5972722373 11945444746 65699946103 131399892206