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1442212563 = 311711374493
BaseRepresentation
bin101010111110110…
…0110101011010011
310201111202222201010
41111331212223103
510423201300223
6355035342003
750511414231
oct12575465323
93644688633
101442212563
11680100710
12342bb1903
1319ca3b41c
14d977d951
1586932393
hex55f66ad3

1442212563 has 32 divisors (see below), whose sum is σ = 2143314432. Its totient is φ = 855276800.

The previous prime is 1442212553. The next prime is 1442212567. The reversal of 1442212563 is 3652122441.

It is a cyclic number.

It is not a de Polignac number, because 1442212563 - 213 = 1442204371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442212563.

It is not an unprimeable number, because it can be changed into a prime (1442212567) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 318745 + ... + 323237.

It is an arithmetic number, because the mean of its divisors is an integer number (66978576).

Almost surely, 21442212563 is an apocalyptic number.

1442212563 is a deficient number, since it is larger than the sum of its proper divisors (701101869).

1442212563 is a wasteful number, since it uses less digits than its factorization.

1442212563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715.

The product of its digits is 11520, while the sum is 30.

The square root of 1442212563 is about 37976.4738094521. The cubic root of 1442212563 is about 1129.8213002195.

The spelling of 1442212563 in words is "one billion, four hundred forty-two million, two hundred twelve thousand, five hundred sixty-three".

Divisors: 1 3 11 33 71 137 213 411 781 1507 2343 4493 4521 9727 13479 29181 49423 106997 148269 319003 320991 615541 957009 1846623 3509033 6770951 10527099 20312853 43703411 131110233 480737521 1442212563