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2928145624680 = 2335672691353893
BaseRepresentation
bin101010100111000011000…
…101000110111001101000
3101100221001111120210212010
4222213003011012321220
5340433320234442210
610121101014515520
7421360115100303
oct52470305067150
911327044523763
102928145624680
11a29901961021
123b35b2065ba0
1318317a167763
14a1a19cd1b3a
155127b438920
hex2a9c3146e68

2928145624680 has 128 divisors (see below), whose sum is σ = 8948697782400. Its totient is φ = 766324534272.

The previous prime is 2928145624673. The next prime is 2928145624697. The reversal of 2928145624680 is 864265418292.

It is a self number, because there is not a number n which added to its sum of digits gives 2928145624680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1485814 + ... + 2839706.

It is an arithmetic number, because the mean of its divisors is an integer number (69911701425).

Almost surely, 22928145624680 is an apocalyptic number.

2928145624680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2928145624680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4474348891200).

2928145624680 is an abundant number, since it is smaller than the sum of its proper divisors (6020552157720).

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

2928145624680 is a wasteful number, since it uses less digits than its factorization.

2928145624680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354243 (or 1354239 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 2928145624680 in words is "two trillion, nine hundred twenty-eight billion, one hundred forty-five million, six hundred twenty-four thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 67 120 134 201 268 269 335 402 536 538 670 804 807 1005 1076 1340 1345 1608 1614 2010 2152 2680 2690 3228 4020 4035 5380 6456 8040 8070 10760 16140 18023 32280 36046 54069 72092 90115 108138 144184 180230 216276 270345 360460 432552 540690 720920 1081380 1353893 2162760 2707786 4061679 5415572 6769465 8123358 10831144 13538930 16246716 20308395 27077860 32493432 40616790 54155720 81233580 90710831 162467160 181421662 272132493 362843324 364197217 453554155 544264986 725686648 728394434 907108310 1088529972 1092591651 1360662465 1456788868 1814216620 1820986085 2177059944 2185183302 2721324930 2913577736 3628433240 3641972170 4370366604 5442649860 5462958255 7283944340 8740733208 10885299720 10925916510 14567888680 21851833020 24401213539 43703666040 48802427078 73203640617 97604854156 122006067695 146407281234 195209708312 244012135390 292814562468 366018203085 488024270780 585629124936 732036406170 976048541560 1464072812340 2928145624680