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340393287894 = 231117217845931
BaseRepresentation
bin1001111010000010000…
…01010110000011010110
31012112121121000122210220
410331001001112003112
521034111140203034
6420212521255210
733410156131152
oct4750101260326
91175547018726
10340393287894
111213a6156360
1255b79034506
13261395125aa
1412691a48062
158cc3980749
hex4f410560d6

340393287894 has 48 divisors (see below), whose sum is σ = 788932961856. Its totient is φ = 97081859200.

The previous prime is 340393287889. The next prime is 340393287917. The reversal of 340393287894 is 498782393043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8903892 + ... + 8942039.

It is an arithmetic number, because the mean of its divisors is an integer number (16436103372).

Almost surely, 2340393287894 is an apocalyptic number.

340393287894 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

340393287894 is an abundant number, since it is smaller than the sum of its proper divisors (448539673962).

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

340393287894 is a wasteful number, since it uses less digits than its factorization.

340393287894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17845981 (or 17845964 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 60.

The spelling of 340393287894 in words is "three hundred forty billion, three hundred ninety-three million, two hundred eighty-seven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 289 374 561 578 867 1122 1734 3179 6358 9537 19074 17845931 35691862 53537793 107075586 196305241 303380827 392610482 588915723 606761654 910142481 1177831446 1820284962 3337189097 5157474059 6674378194 10011567291 10314948118 15472422177 20023134582 30944844354 56732214649 113464429298 170196643947 340393287894