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20101040140000 = 25543389296563
BaseRepresentation
bin1001001001000001000110…
…10110110110111011100000
32122011122022001022102202011
410210200203112312323200
510113313412233440000
6110430142415002304
74143152341031341
oct444404326667340
978148261272664
1020101040140000
11644a892142776
122307871809394
13b2a69b445b21
144d6c774b80c8
1524cd1a5802ba
hex1248235b6ee0

20101040140000 has 120 divisors (see below), whose sum is σ = 49466332487880. Its totient is φ = 8038016448000.

The previous prime is 20101040139989. The next prime is 20101040140001. The reversal of 20101040140000 is 4104010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101040140001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67631719 + ... + 67928281.

It is an arithmetic number, because the mean of its divisors is an integer number (412219437399).

Almost surely, 220101040140000 is an apocalyptic number.

20101040140000 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 20101040140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24733166243940).

20101040140000 is an abundant number, since it is smaller than the sum of its proper divisors (29365292347880).

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

20101040140000 is an equidigital number, since it uses as much as digits as its factorization.

20101040140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299982 (or 299959 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20101040140000 its reverse (4104010102), we get a palindrome (20105144150102).

The spelling of 20101040140000 in words is "twenty trillion, one hundred one billion, forty million, one hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3389 4000 5000 6778 10000 13556 16945 20000 27112 33890 54224 67780 84725 108448 135560 169450 271120 296563 338900 423625 542240 593126 677800 847250 1186252 1355600 1482815 1694500 2118125 2372504 2711200 2965630 3389000 4236250 4745008 5931260 6778000 7414075 8472500 9490016 11862520 13556000 14828150 16945000 23725040 29656300 33890000 37070375 47450080 59312600 67780000 74140750 118625200 148281500 185351875 237250400 296563000 370703750 593126000 741407500 1005052007 1186252000 1482815000 2010104014 2965630000 4020208028 5025260035 5931260000 8040416056 10050520070 16080832112 20101040140 25126300175 32161664224 40202080280 50252600350 80404160560 100505200700 125631500875 160808321120 201010401400 251263001750 402020802800 502526003500 628157504375 804041605600 1005052007000 1256315008750 2010104014000 2512630017500 4020208028000 5025260035000 10050520070000 20101040140000