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312631452444146 = 211104428313607921
BaseRepresentation
bin100011100010101100010111…
…0101010110010010111110010
31111222221021102110012110022112
41013011120232222302113302
5311434123203311203041
63024524523451405322
7122564606555636363
oct10705305652622762
91458837373173275
10312631452444146
119068328868a710
122b0920a0a53842
131055a0339c84a4
14572b62b987b6a
1526223dc9c9deb
hex11c562eab25f2

312631452444146 has 16 divisors (see below), whose sum is σ = 511579267842528. Its totient is φ = 142105059134400.

The previous prime is 312631452444137. The next prime is 312631452444151. The reversal of 312631452444146 is 641444254136213.

It is a junction number, because it is equal to n+sod(n) for n = 312631452444094 and 312631452444103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16170266 + ... + 29778186.

It is an arithmetic number, because the mean of its divisors is an integer number (31973704240158).

Almost surely, 2312631452444146 is an apocalyptic number.

312631452444146 is a deficient number, since it is larger than the sum of its proper divisors (198947815398382).

312631452444146 is a wasteful number, since it uses less digits than its factorization.

312631452444146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14652217.

The product of its digits is 6635520, while the sum is 50.

The spelling of 312631452444146 in words is "three hundred twelve trillion, six hundred thirty-one billion, four hundred fifty-two million, four hundred forty-four thousand, one hundred forty-six".

Divisors: 1 2 11 22 1044283 2088566 11487113 13607921 22974226 27215842 149687131 299374262 14210520565643 28421041131286 156315726222073 312631452444146