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1420103455454 = 223671972338951
BaseRepresentation
bin10100101010100100110…
…000110001001011011110
312000202112110012010221002
4110222210300301023132
5141231332441033304
63004215253310302
7204412326130235
oct24524460611336
95022473163832
101420103455454
114a8298418992
121ab285935392
13a3bb8865048
144ca3a541b1c
1526e1801431e
hex14aa4c312de

1420103455454 has 32 divisors (see below), whose sum is σ = 2267398780416. Its totient is φ = 665646458400.

The previous prime is 1420103455447. The next prime is 1420103455471. The reversal of 1420103455454 is 4545543010241.

It is a super-2 number, since 2×14201034554542 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562322 + ... + 1776629.

It is an arithmetic number, because the mean of its divisors is an integer number (70856211888).

Almost surely, 21420103455454 is an apocalyptic number.

1420103455454 is a deficient number, since it is larger than the sum of its proper divisors (847295324962).

1420103455454 is a wasteful number, since it uses less digits than its factorization.

1420103455454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339240.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 1420103455454 its reverse (4545543010241), we get a palindrome (5965646465695).

The spelling of 1420103455454 in words is "one trillion, four hundred twenty billion, one hundred three million, four hundred fifty-five thousand, four hundred fifty-four".

Divisors: 1 2 23 46 67 134 197 394 1541 3082 4531 9062 13199 26398 303577 607154 2338951 4677902 53795873 107591746 156709717 313419434 460773347 921546694 3604323491 7208646982 10597786981 21195573962 30871814249 61743628498 710051727727 1420103455454