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1220031035342 = 274376866683
BaseRepresentation
bin10001110000001111100…
…001000011011111001110
311022122010001122010201022
4101300033201003133032
5124442110421112332
62332250255114142
7154100335460000
oct21601741033716
94278101563638
101220031035342
11430459793459
12178549b12952
138b08253a942
144309a9ac370
1521b08537212
hex11c0f8437ce

1220031035342 has 40 divisors (see below), whose sum is σ = 2192628334776. Its totient is φ = 508738736016.

The previous prime is 1220031035303. The next prime is 1220031035351. The reversal of 1220031035342 is 2435301300221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3255668 + ... + 3611015.

Almost surely, 21220031035342 is an apocalyptic number.

1220031035342 is a deficient number, since it is larger than the sum of its proper divisors (972597299434).

1220031035342 is an frugal number, since it uses more digits than its factorization.

1220031035342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6866750 (or 6866729 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1220031035342 its reverse (2435301300221), we get a palindrome (3655332335563).

The spelling of 1220031035342 in words is "one trillion, two hundred twenty billion, thirty-one million, thirty-five thousand, three hundred forty-two".

Divisors: 1 2 7 14 37 49 74 98 259 343 518 686 1813 2401 3626 4802 12691 25382 88837 177674 6866683 13733366 48066781 96133562 254067271 336467467 508134542 672934934 1778470897 2355272269 3556941794 4710544538 12449296279 16486905883 24898592558 32973811766 87145073953 174290147906 610015517671 1220031035342