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345697608378 = 231718127916709
BaseRepresentation
bin1010000011111010010…
…11101110001010111010
31020001022021001001121010
411001331023232022322
521130442041432003
6422451123254350
733655465121313
oct5017513561272
91201267031533
10345697608378
111236783188a1
1256bb951a3b6
13267a3422675
1412a362c560a
158ed449b003
hex507d2ee2ba

345697608378 has 64 divisors (see below), whose sum is σ = 736483587840. Its totient is φ = 107800243200.

The previous prime is 345697608367. The next prime is 345697608379. The reversal of 345697608378 is 873806796543.

It is not an unprimeable number, because it can be changed into a prime (345697608379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51524088 + ... + 51530796.

It is an arithmetic number, because the mean of its divisors is an integer number (11507556060).

Almost surely, 2345697608378 is an apocalyptic number.

345697608378 is an abundant number, since it is smaller than the sum of its proper divisors (390785979462).

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

345697608378 is a wasteful number, since it uses less digits than its factorization.

345697608378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703.

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 345697608378 in words is "three hundred forty-five billion, six hundred ninety-seven million, six hundred eight thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 181 362 543 1086 2791 3077 5582 6154 6709 8373 9231 13418 16746 18462 20127 40254 47447 94894 114053 142341 228106 284682 342159 505171 684318 1010342 1214329 1515513 2428658 3031026 3642987 7285974 8587907 17175814 18724819 20643593 25763721 37449638 41287186 51527442 56174457 61930779 112348914 123861558 318321923 636643846 954965769 1909931538 3389192239 6778384478 10167576717 20335153434 57616268063 115232536126 172848804189 345697608378