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140455346331 = 31910922939859
BaseRepresentation
bin1000001011001111001…
…0101000000010011011
3111102112120111212111010
42002303302220002123
54300123032040311
6144305125305003
713101420513426
oct2026362500233
9442476455433
10140455346331
1154626421623
122327a265163
13103250112b1
146b25cbc9bd
1539c0bb8da6
hex20b3ca809b

140455346331 has 32 divisors (see below), whose sum is σ = 199045792000. Its totient is φ = 87847555968.

The previous prime is 140455346323. The next prime is 140455346359. The reversal of 140455346331 is 133643554041.

It is not a de Polignac number, because 140455346331 - 23 = 140455346323 is a prime.

It is a super-2 number, since 2×1404553463312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140455346331.

It is not an unprimeable number, because it can be changed into a prime (140455348331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14241480 + ... + 14251338.

It is an arithmetic number, because the mean of its divisors is an integer number (6220181000).

Almost surely, 2140455346331 is an apocalyptic number.

140455346331 is a deficient number, since it is larger than the sum of its proper divisors (58590445669).

140455346331 is a wasteful number, since it uses less digits than its factorization.

140455346331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 140455346331 in words is "one hundred forty billion, four hundred fifty-five million, three hundred forty-six thousand, three hundred thirty-one".

Divisors: 1 3 19 57 109 327 2071 2293 6213 6879 9859 29577 43567 130701 187321 249937 561963 749811 1074631 3223893 4748803 14246409 20417989 22606687 61253967 67820061 429527053 1288581159 2464128883 7392386649 46818448777 140455346331