Search a number
-
+
3081618291904 = 26193796686611
BaseRepresentation
bin101100110101111110110…
…000110111110011000000
3101220121012021111002121021
4230311332300313303000
5400442123240320104
610315401554435224
7435432242201635
oct54657660676300
911817167432537
103081618291904
11a889a8208489
124192a3892b14
13194798003599
14a921896818c
155525ed26754
hex2cd7ec37cc0

3081618291904 has 56 divisors (see below), whose sum is σ = 6453917902400. Its totient is φ = 1455862222080.

The previous prime is 3081618291901. The next prime is 3081618291979. The reversal of 3081618291904 is 4091928161803.

It is not an unprimeable number, because it can be changed into a prime (3081618291901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882442 + ... + 3804169.

Almost surely, 23081618291904 is an apocalyptic number.

It is an amenable number.

3081618291904 is an abundant number, since it is smaller than the sum of its proper divisors (3372299610496).

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

3081618291904 is a wasteful number, since it uses less digits than its factorization.

3081618291904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687021 (or 6687011 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 3081618291904 in words is "three trillion, eighty-one billion, six hundred eighteen million, two hundred ninety-one thousand, nine hundred four".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 379 608 758 1216 1516 3032 6064 7201 12128 14402 24256 28804 57608 115216 230432 460864 6686611 13373222 26746444 53492888 106985776 127045609 213971552 254091218 427943104 508182436 1016364872 2032729744 2534225569 4065459488 5068451138 8130918976 10136902276 20273804552 40547609104 48150285811 81095218208 96300571622 162190436416 192601143244 385202286488 770404572976 1540809145952 3081618291904