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1720070341740 = 2232591110489513
BaseRepresentation
bin11001000001111100001…
…011101000010001101100
320002102210122210211012100
4121001330023220101230
5211140201001413430
63354104524535100
7235161642445302
oct31017413502154
96072718724170
101720070341740
11603528958383
122394400b1490
13c628186b62a
145d375104272
152eb22831960
hex1907c2e846c

1720070341740 has 72 divisors (see below), whose sum is σ = 5223274475328. Its totient is φ = 458181884160.

The previous prime is 1720070341727. The next prime is 1720070341741. The reversal of 1720070341740 is 471430700271.

1720070341740 is a `hidden beast` number, since 1 + 7 + 200 + 70 + 341 + 7 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1720070341695 and 1720070341704.

It is not an unprimeable number, because it can be changed into a prime (1720070341741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5080777 + ... + 5408736.

It is an arithmetic number, because the mean of its divisors is an integer number (72545478824).

Almost surely, 21720070341740 is an apocalyptic number.

1720070341740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1720070341740 is an abundant number, since it is smaller than the sum of its proper divisors (3503204133588).

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

1720070341740 is a wasteful number, since it uses less digits than its factorization.

1720070341740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490439 (or 10490434 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 1720070341740 in words is "one trillion, seven hundred twenty billion, seventy million, three hundred forty-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 911 1822 2733 3644 4555 5466 8199 9110 10932 13665 16398 18220 27330 32796 40995 54660 81990 163980 10489513 20979026 31468539 41958052 52447565 62937078 94405617 104895130 125874156 157342695 188811234 209790260 314685390 377622468 472028085 629370780 944056170 1888112340 9555946343 19111892686 28667839029 38223785372 47779731715 57335678058 86003517087 95559463430 114671356116 143339195145 172007034174 191118926860 286678390290 344014068348 430017585435 573356780580 860035170870 1720070341740