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2000000031000 = 233531494474273
BaseRepresentation
bin11101000110101001010…
…010101001100100011000
321002012100102220102111020
4131012221102221210120
5230232000001443000
64130442021402440
7264331602524316
oct35065122514430
97065312812436
102000000031000
11701216972104
12283743b69420
131167a357550a
146cb2c89b0b6
1537057ed6ba0
hex1d1a94a9918

2000000031000 has 128 divisors (see below), whose sum is σ = 6281880696000. Its totient is φ = 529753804800.

The previous prime is 2000000030983. The next prime is 2000000031053. The reversal of 2000000031000 is 1300000002.

It is a super-2 number, since 2×20000000310002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2000000031000.

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, 1790137 + ... + 2684136.

Almost surely, 22000000031000 is an apocalyptic number.

2000000031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000000031000 is an abundant number, since it is smaller than the sum of its proper divisors (4281880665000).

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

2000000031000 is a wasteful number, since it uses less digits than its factorization.

2000000031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474446 (or 4474432 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

Adding to 2000000031000 its reverse (1300000002), we get a palindrome (2001300031002).

The spelling of 2000000031000 in words is "two trillion, thirty-one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 149 150 200 250 298 300 375 447 500 596 600 745 750 894 1000 1192 1490 1500 1788 2235 2980 3000 3576 3725 4470 5960 7450 8940 11175 14900 17880 18625 22350 29800 37250 44700 55875 74500 89400 111750 149000 223500 447000 4474273 8948546 13422819 17897092 22371365 26845638 35794184 44742730 53691276 67114095 89485460 107382552 111856825 134228190 178970920 223713650 268456380 335570475 447427300 536912760 559284125 666666677 671140950 894854600 1118568250 1333333354 1342281900 1677852375 2000000031 2237136500 2666666708 2684563800 3333333385 3355704750 4000000062 4474273000 5333333416 6666666770 6711409500 8000000124 10000000155 13333333540 13422819000 16000000248 16666666925 20000000310 26666667080 33333333850 40000000620 50000000775 66666667700 80000001240 83333334625 100000001550 133333335400 166666669250 200000003100 250000003875 333333338500 400000006200 500000007750 666666677000 1000000015500 2000000031000