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1420784531412 = 223268944030759
BaseRepresentation
bin10100101011001101010…
…110110111011111010100
312000211021220202101111120
4110223031112313133110
5141234231320001122
63004411023203540
7204435236153361
oct24531526673724
95024256671446
101420784531412
114a8607912384
121ab435a465b0
13a3c969a997c
144caa2b91468
1526e57be975c
hex14acd5b77d4

1420784531412 has 24 divisors (see below), whose sum is σ = 3316396843200. Its totient is φ = 473418710016.

The previous prime is 1420784531281. The next prime is 1420784531423. The reversal of 1420784531412 is 2141354870241.

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, 21983112 + ... + 22047647.

It is an arithmetic number, because the mean of its divisors is an integer number (138183201800).

Almost surely, 21420784531412 is an apocalyptic number.

1420784531412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420784531412 is an abundant number, since it is smaller than the sum of its proper divisors (1895612311788).

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

1420784531412 is a wasteful number, since it uses less digits than its factorization.

1420784531412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44033455 (or 44033453 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 1420784531412 in words is "one trillion, four hundred twenty billion, seven hundred eighty-four million, five hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 2689 5378 8067 10756 16134 32268 44030759 88061518 132092277 176123036 264184554 528369108 118398710951 236797421902 355196132853 473594843804 710392265706 1420784531412