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921271014304142 = 217217511245745313
BaseRepresentation
bin1101000101111001000001111…
…1100011001010100110001110
311110210221122111222221210210012
43101132100133203022212032
51431223101014130213032
613023214021122313222
7365023430364312605
oct32136203743124616
94423848458853705
10921271014304142
112475aa9300a8347
12873b05b27b8812
133070963a102678
141236da7da54a3c
15717958ec686b2
hex345e41f8ca98e

921271014304142 has 16 divisors (see below), whose sum is σ = 1463262411786912. Its totient is φ = 433519368576000.

The previous prime is 921271014304129. The next prime is 921271014304217. The reversal of 921271014304142 is 241403410172129.

It is a happy number.

921271014304142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9212710143041422 (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 921271014304142.

It is a congruent number.

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, 622133123 + ... + 623612190.

It is an arithmetic number, because the mean of its divisors is an integer number (91453900736682).

Almost surely, 2921271014304142 is an apocalyptic number.

921271014304142 is a deficient number, since it is larger than the sum of its proper divisors (541991397482770).

921271014304142 is a wasteful number, since it uses less digits than its factorization.

921271014304142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245767083.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 921271014304142 in words is "nine hundred twenty-one trillion, two hundred seventy-one billion, fourteen million, three hundred four thousand, one hundred forty-two".

Divisors: 1 2 17 34 21751 43502 369767 739534 1245745313 2491490626 21177670321 42355340642 27096206303063 54192412606126 460635507152071 921271014304142