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4020113230140 = 2235731308764457
BaseRepresentation
bin111010100000000001011…
…010111100100100111100
3112020022121121021122201210
4322200001122330210330
51011331142441331030
612314451534204420
7563305103434050
oct72400132744474
915208547248653
104020113230140
11130aa14129117
1254b15b953710
13232130a99a47
14dc80869bc60
156e88bb40bb0
hex3a8016bc93c

4020113230140 has 96 divisors (see below), whose sum is σ = 13279341809664. Its totient is φ = 889241633280.

The previous prime is 4020113230139. The next prime is 4020113230163. The reversal of 4020113230140 is 410323110204.

It is a super-2 number, since 2×40201132301402 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 154369209 + ... + 154395248.

It is an arithmetic number, because the mean of its divisors is an integer number (138326477184).

Almost surely, 24020113230140 is an apocalyptic number.

It is an amenable number.

4020113230140 is an abundant number, since it is smaller than the sum of its proper divisors (9259228579524).

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

4020113230140 is a wasteful number, since it uses less digits than its factorization.

4020113230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308764507 (or 308764505 counting only the distinct ones).

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

Adding to 4020113230140 its reverse (410323110204), we get a palindrome (4430436340344).

The spelling of 4020113230140 in words is "four trillion, twenty billion, one hundred thirteen million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 60 62 70 84 93 105 124 140 155 186 210 217 310 372 420 434 465 620 651 868 930 1085 1302 1860 2170 2604 3255 4340 6510 13020 308764457 617528914 926293371 1235057828 1543822285 1852586742 2161351199 3087644570 3705173484 4322702398 4631466855 6175289140 6484053597 8645404796 9262933710 9571698167 10806755995 12968107194 18525867420 19143396334 21613511990 25936214388 28715094501 32420267985 38286792668 43227023980 47858490835 57430189002 64840535970 67001887169 95716981670 114860378004 129681071940 134003774338 143575472505 191433963340 201005661507 268007548676 287150945010 335009435845 402011323014 574301890020 670018871690 804022646028 1005028307535 1340037743380 2010056615070 4020113230140