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340747068434 = 21719249520649
BaseRepresentation
bin1001111010101100001…
…10111010010000010010
31012120112020201120110212
410331112012322100102
521040322222142214
6420312000124122
733422013202253
oct4752606722022
91176466646425
10340747068434
11121567922973
1256057606642
13261948c04a6
14126c6a1ab2a
158ce4a6453e
hex4f561ba412

340747068434 has 16 divisors (see below), whose sum is σ = 541215675000. Its totient is φ = 160342923264.

The previous prime is 340747068433. The next prime is 340747068437. The reversal of 340747068434 is 434860747043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 299157584209 + 41589484225 = 546953^2 + 203935^2 .

It is a super-2 number, since 2×3407470684342 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340747068433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394142 + ... + 914790.

Almost surely, 2340747068434 is an apocalyptic number.

340747068434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

340747068434 is a deficient number, since it is larger than the sum of its proper divisors (200468606566).

340747068434 is a wasteful number, since it uses less digits than its factorization.

340747068434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539917.

The product of its (nonzero) digits is 5419008, while the sum is 50.

The spelling of 340747068434 in words is "three hundred forty billion, seven hundred forty-seven million, sixty-eight thousand, four hundred thirty-four".

Divisors: 1 2 17 34 19249 38498 327233 520649 654466 1041298 8851033 17702066 10021972601 20043945202 170373534217 340747068434