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312551227142 = 271141107462629
BaseRepresentation
bin1001000110001011000…
…00010011111100000110
31002212202020021102120122
410203011200103330012
520110101103232032
6355330053301542
731403211411320
oct4430540237406
91085666242518
10312551227142
11110609023aa0
12506a89348b2
132362024332b
14111b004c610
1581e4516012
hex48c5813f06

312551227142 has 64 divisors (see below), whose sum is σ = 604365027840. Its totient is φ = 117692563200.

The previous prime is 312551227141. The next prime is 312551227169. The reversal of 312551227142 is 241722155213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312551227141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444284 + ... + 906912.

It is an arithmetic number, because the mean of its divisors is an integer number (9443203560).

Almost surely, 2312551227142 is an apocalyptic number.

312551227142 is a deficient number, since it is larger than the sum of its proper divisors (291813800698).

312551227142 is a wasteful number, since it uses less digits than its factorization.

312551227142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462797.

The product of its digits is 33600, while the sum is 35.

The spelling of 312551227142 in words is "three hundred twelve billion, five hundred fifty-one million, two hundred twenty-seven thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 22 41 77 82 107 154 214 287 451 574 749 902 1177 1498 2354 3157 4387 6314 8239 8774 16478 30709 48257 61418 96514 337799 462629 675598 925258 3238403 5088919 6476806 10177838 18967789 35622433 37935578 49501303 71244866 99002606 132774523 208645679 265549046 346509121 417291358 544514333 693018242 1089028666 1460519753 2029553423 2921039506 3811600331 4059106846 7623200662 14206873961 22325087653 28413747922 44650175306 156275613571 312551227142