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1421453310452 = 2271731699172717
BaseRepresentation
bin10100101011110101001…
…110000011100111110100
312000220000112011212212122
4110223311032003213310
5141242114021413302
63005001233335112
7204460636532450
oct24536516034764
95026015155778
101421453310452
114a8920377a2a
121ab5a1a07498
13a4072407406
144cb2791d660
1526e967a13a2
hex14af53839f4

1421453310452 has 48 divisors (see below), whose sum is σ = 2861039126400. Its totient is φ = 605312929152.

The previous prime is 1421453310437. The next prime is 1421453310559. The reversal of 1421453310452 is 2540133541241.

It is a congruent number.

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, 8143598 + ... + 8316314.

It is an arithmetic number, because the mean of its divisors is an integer number (59604981800).

Almost surely, 21421453310452 is an apocalyptic number.

It is an amenable number.

1421453310452 is an abundant number, since it is smaller than the sum of its proper divisors (1439585815948).

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

1421453310452 is a wasteful number, since it uses less digits than its factorization.

1421453310452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174600 (or 174598 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 1421453310452 its reverse (2540133541241), we get a palindrome (3961586851693).

The spelling of 1421453310452 in words is "one trillion, four hundred twenty-one billion, four hundred fifty-three million, three hundred ten thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 173 346 692 1211 1699 2422 3398 4844 6796 11893 23786 47572 172717 293927 345434 587854 690868 1175708 1209019 2057489 2418038 4114978 4836076 8229956 29880041 59760082 119520164 209160287 293446183 418320574 586892366 836641148 1173784732 2054123281 4108246562 8216493124 50766189659 101532379318 203064758636 355363327613 710726655226 1421453310452