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1331013120140 = 2251117355885861
BaseRepresentation
bin10011010111100110100…
…100000111000010001100
311201020120121000012011102
4103113212210013002030
5133301403324321030
62455243050242232
7165106513564304
oct23274644070214
94636517005142
101331013120140
114735302303a0
12195b61726378
139868b3414c2
14485c8398604
1524951972c45
hex135e690708c

1331013120140 has 48 divisors (see below), whose sum is σ = 3228596540064. Its totient is φ = 455533900800.

The previous prime is 1331013120139. The next prime is 1331013120161. The reversal of 1331013120140 is 410213101331.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 177939191 + ... + 177946670.

It is an arithmetic number, because the mean of its divisors is an integer number (67262427918).

Almost surely, 21331013120140 is an apocalyptic number.

1331013120140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331013120140 is an abundant number, since it is smaller than the sum of its proper divisors (1897583419924).

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

1331013120140 is a wasteful number, since it uses less digits than its factorization.

1331013120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355885898 (or 355885896 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1331013120140 its reverse (410213101331), we get a palindrome (1741226221471).

The spelling of 1331013120140 in words is "one trillion, three hundred thirty-one billion, thirteen million, one hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 355885861 711771722 1423543444 1779429305 3558858610 3914744471 6050059637 7117717220 7829488942 12100119274 15658977884 19573722355 24200238548 30250298185 39147444710 60500596370 66550656007 78294889420 121001192740 133101312014 266202624028 332753280035 665506560070 1331013120140