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3102321144 = 2331323716089
BaseRepresentation
bin1011100011101001…
…1010100111111000
322000012120020120010
42320322122213320
522323143234034
61231501301520
7136610203026
oct27072324770
98005506503
103102321144
1113521a787a
12726b648a0
133a595b6b0
1421603d716
151325563e9
hexb8e9a9f8

3102321144 has 128 divisors (see below), whose sum is σ = 8839756800. Its totient is φ = 900049920.

The previous prime is 3102321119. The next prime is 3102321163. The reversal of 3102321144 is 4411232013.

It is a self number, because there is not a number n which added to its sum of digits gives 3102321144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506452 + ... + 512540.

It is an arithmetic number, because the mean of its divisors is an integer number (69060600).

Almost surely, 23102321144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3102321144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4419878400).

3102321144 is an abundant number, since it is smaller than the sum of its proper divisors (5737435656).

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

3102321144 is a wasteful number, since it uses less digits than its factorization.

3102321144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205 (or 6201 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3102321144 is about 55698.4842163591. The cubic root of 3102321144 is about 1458.4635654066.

Adding to 3102321144 its reverse (4411232013), we get a palindrome (7513553157).

The spelling of 3102321144 in words is "three billion, one hundred two million, three hundred twenty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 23 24 26 39 46 52 69 71 78 92 104 138 142 156 184 213 276 284 299 312 426 552 568 598 852 897 923 1196 1633 1704 1794 1846 2392 2769 3266 3588 3692 4899 5538 6089 6532 7176 7384 9798 11076 12178 13064 18267 19596 21229 22152 24356 36534 39192 42458 48712 63687 73068 79157 84916 127374 140047 146136 158314 169832 237471 254748 280094 316628 420141 432319 474942 509496 560188 633256 840282 864638 949884 1120376 1296957 1680564 1729276 1820611 1899768 2593914 3361128 3458552 3641222 5187828 5461833 5620147 7282444 9943337 10375656 10923666 11240294 14564888 16860441 19886674 21847332 22480588 29830011 33720882 39773348 43694664 44961176 59660022 67441764 79546696 119320044 129263381 134883528 238640088 258526762 387790143 517053524 775580286 1034107048 1551160572 3102321144