Search a number
-
+
488442631330808 = 237111704734651331
BaseRepresentation
bin110111100001111000110100…
…1100010001001101111111000
32101001102122210210102220101222
41233003301221202021233320
51003010121002110041213
64450455240325131212
7204611546512235360
oct15703615142115770
92331378723386358
10488442631330808
111316a63a1793170
1246947554b59b08
1317c70c3388758b
148888a6c8879a0
153b707a8dcb808
hex1bc3c69889bf8

488442631330808 has 64 divisors (see below), whose sum is σ = 1141820886769920. Its totient is φ = 190301166662400.

The previous prime is 488442631330777. The next prime is 488442631330813. The reversal of 488442631330808 is 808033136244884.

It is a super-2 number, since 2×4884426313308082 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102685703 + ... + 107337033.

It is an arithmetic number, because the mean of its divisors is an integer number (17840951355780).

Almost surely, 2488442631330808 is an apocalyptic number.

It is an amenable number.

488442631330808 is an abundant number, since it is smaller than the sum of its proper divisors (653378255439112).

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

488442631330808 is a wasteful number, since it uses less digits than its factorization.

488442631330808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821828 (or 4821824 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 62.

The spelling of 488442631330808 in words is "four hundred eighty-eight trillion, four hundred forty-two billion, six hundred thirty-one million, three hundred thirty thousand, eight hundred eight".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 170473 340946 681892 1193311 1363784 1875203 2386622 3750406 4651331 4773244 7500812 9302662 9546488 13126421 15001624 18605324 26252842 32559317 37210648 51164641 52505684 65118634 102329282 105011368 130237268 204658564 260474536 358152487 409317128 716304974 1432609948 2865219896 792926349563 1585852699126 3171705398252 5550484446941 6343410796504 8722189845193 11100968893882 17444379690386 22201937787764 34888759380772 44403875575528 61055328916351 69777518761544 122110657832702 244221315665404 488442631330808