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1408069772740 = 225853571714437
BaseRepresentation
bin10100011111010111011…
…111111010010111000100
311222121110210200201120201
4110133113133322113010
5141032211330211430
62554505221540244
7203505165406201
oct24372737722704
94877423621521
101408069772740
114a3182750a64
121a8a87874684
13a2a1b739227
144c218276ca8
152696183d8ca
hex147d77fa5c4

1408069772740 has 48 divisors (see below), whose sum is σ = 2961135968112. Its totient is φ = 562430255616.

The previous prime is 1408069772693. The next prime is 1408069772777. The reversal of 1408069772740 is 472779608041.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 123605683776 + 1284464088964 = 351576^2 + 1133342^2 .

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, 97524802 + ... + 97539238.

It is an arithmetic number, because the mean of its divisors is an integer number (61690332669).

Almost surely, 21408069772740 is an apocalyptic number.

1408069772740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408069772740 is an abundant number, since it is smaller than the sum of its proper divisors (1553066195372).

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

1408069772740 is a wasteful number, since it uses less digits than its factorization.

1408069772740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016 (or 21014 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 1408069772740 in words is "one trillion, four hundred eight billion, sixty-nine million, seven hundred seventy-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 853 1706 3412 4265 5717 8530 11434 14437 17060 22868 28585 28874 57170 57748 72185 114340 144370 288740 4876601 9753202 12314761 19506404 24383005 24629522 48766010 49259044 61573805 82536329 97532020 123147610 165072658 246295220 330145316 412681645 825363290 1650726580 70403488637 140806977274 281613954548 352017443185 704034886370 1408069772740