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961835227044 = 223731097985419
BaseRepresentation
bin11011111111100011101…
…10001101011110100100
310101221122221200002012120
431333301312031132210
5111224314304231134
62013505550545540
7126330113351256
oct15776166153644
93357587602176
10961835227044
11340a03a0211a
121364b08082b0
136c9154bb553
14347a58c1cd6
151a045e45649
hexdff1d8d7a4

961835227044 has 24 divisors (see below), whose sum is σ = 2275025790240. Its totient is φ = 316219800384.

The previous prime is 961835227009. The next prime is 961835227207. The reversal of 961835227044 is 440722538169.

It is a super-4 number, since 4×9618352270444 (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548991834 + ... + 548993585.

It is an arithmetic number, because the mean of its divisors is an integer number (94792741260).

It is a 2-persistent number, because it is pandigital, and so is 2⋅961835227044 = 1923670454088, but 3⋅961835227044 = 2885505681132 is not.

Almost surely, 2961835227044 is an apocalyptic number.

It is an amenable number.

961835227044 is an abundant number, since it is smaller than the sum of its proper divisors (1313190563196).

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

961835227044 is a wasteful number, since it uses less digits than its factorization.

961835227044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097985499 (or 1097985497 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 961835227044 in words is "nine hundred sixty-one billion, eight hundred thirty-five million, two hundred twenty-seven thousand, forty-four".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 1097985419 2195970838 3293956257 4391941676 6587912514 13175825028 80152935587 160305871174 240458806761 320611742348 480917613522 961835227044