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2131330331120 = 245241286138639
BaseRepresentation
bin11111000000111101001…
…011111111000111110000
321112202100002000220210212
4133000331023333013300
5234404431031043440
64311041501443252
7306661231620554
oct37007513770760
97482302026725
102131330331120
1175198a454421
122a5096270528
13125ca2c33783
147522a8d3864
153a692a23465
hex1f03d2ff1f0

2131330331120 has 80 divisors (see below), whose sum is σ = 4977772652160. Its totient is φ = 848675942400.

The previous prime is 2131330331111. The next prime is 2131330331147. The reversal of 2131330331120 is 211330331312.

It is a tau number, because it is divible by the number of its divisors (80).

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, 55140761 + ... + 55179399.

It is an arithmetic number, because the mean of its divisors is an integer number (62222158152).

Almost surely, 22131330331120 is an apocalyptic number.

2131330331120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131330331120 is an abundant number, since it is smaller than the sum of its proper divisors (2846442321040).

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

2131330331120 is a wasteful number, since it uses less digits than its factorization.

2131330331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41754 (or 41748 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2131330331120 its reverse (211330331312), we get a palindrome (2342660662432).

The spelling of 2131330331120 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, three hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 241 482 964 1205 1928 2410 2861 3856 4820 5722 9640 11444 14305 19280 22888 28610 38639 45776 57220 77278 114440 154556 193195 228880 309112 386390 618224 689501 772780 1379002 1545560 2758004 3091120 3447505 5516008 6895010 9311999 11032016 13790020 18623998 27580040 37247996 46559995 55160080 74495992 93119990 110546179 148991984 186239980 221092358 372479960 442184716 552730895 744959920 884369432 1105461790 1768738864 2210923580 4421847160 8843694320 26641629139 53283258278 106566516556 133208145695 213133033112 266416291390 426266066224 532832582780 1065665165560 2131330331120